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23131040253203 = 1731104294208641
BaseRepresentation
bin1010100001001100111010…
…11100000000010100010011
310000220022020222002100212002
411100212131130000110103
511012434332301100303
6121110130405024215
74605106512035351
oct520463534002423
9100808228070762
1023131040253203
11740890121a533
122716b4a6b506b
13cba32b37a4ac
1459d7968487d1
152a1a58921788
hex15099d700513

23131040253203 has 16 divisors (see below), whose sum is σ = 25284174370560. Its totient is φ = 21066095001600.

The previous prime is 23131040253119. The next prime is 23131040253221. The reversal of 23131040253203 is 30235204013132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23131040253203 - 232 = 23126745285907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131040253253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391763 + ... + 7600403.

It is an arithmetic number, because the mean of its divisors is an integer number (1580260898160).

Almost surely, 223131040253203 is an apocalyptic number.

23131040253203 is a deficient number, since it is larger than the sum of its proper divisors (2153134117357).

23131040253203 is a wasteful number, since it uses less digits than its factorization.

23131040253203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219118.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 23131040253203 its reverse (30235204013132), we get a palindrome (53366244266335).

The spelling of 23131040253203 in words is "twenty-three trillion, one hundred thirty-one billion, forty million, two hundred fifty-three thousand, two hundred three".

Divisors: 1 17 31 527 10429 177293 323299 4208641 5496083 71546897 130467871 2217953807 43891916989 746162588813 1360649426659 23131040253203