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23231011331010 = 23574710721997189
BaseRepresentation
bin1010100100000111001000…
…01011011001101111000010
310001020212022010022022022110
411102003210023121233002
511021104102400043020
6121224102420120150
74615246055134530
oct522034413315702
9101225263268273
1023231011331010
1174472422a099a
1227323aa836056
13cc68a0ba16c2
145a455badb150
152a445a3468e0
hex1520e42d9bc2

23231011331010 has 128 divisors (see below), whose sum is σ = 65683257384960. Its totient is φ = 5148397857024.

The previous prime is 23231011330957. The next prime is 23231011331027. The reversal of 23231011331010 is 1013311013232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9942505 + ... + 12054684.

It is an arithmetic number, because the mean of its divisors is an integer number (513150448320).

Almost surely, 223231011331010 is an apocalyptic number.

23231011331010 is an abundant number, since it is smaller than the sum of its proper divisors (42452246053950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23231011331010 is a wasteful number, since it uses less digits than its factorization.

23231011331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21997360.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23231011331010 its reverse (1013311013232), we get a palindrome (24244322344242).

The spelling of 23231011331010 in words is "twenty-three trillion, two hundred thirty-one billion, eleven million, three hundred thirty-one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 47 70 94 105 107 141 210 214 235 282 321 329 470 535 642 658 705 749 987 1070 1410 1498 1605 1645 1974 2247 3210 3290 3745 4494 4935 5029 7490 9870 10058 11235 15087 22470 25145 30174 35203 50290 70406 75435 105609 150870 176015 211218 352030 528045 1056090 21997189 43994378 65991567 109985945 131983134 153980323 219971890 307960646 329957835 461940969 659915670 769901615 923881938 1033867883 1539803230 2067735766 2309704845 2353699223 3101603649 4619409690 4707398446 5169339415 6203207298 7061097669 7237075181 10338678830 11768496115 14122195338 14474150362 15508018245 16475894561 21711225543 23536992230 31016036490 32951789122 35305488345 36185375905 43422451086 49427683683 70610976690 72370751810 82379472805 98855367366 108556127715 110623863481 164758945610 217112255430 221247726962 247138418415 331871590443 494276836830 553119317405 663743180886 774367044367 1106238634810 1548734088734 1659357952215 2323101133101 3318715904430 3871835221835 4646202266202 7743670443670 11615505665505 23231011331010