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23021013131313 = 313525756734003
BaseRepresentation
bin1010011101111111111110…
…10011110110000000110001
310000111210020222122110020120
411032333333103312000301
511004134013330200223
6120543412450000453
74564133110654341
oct516777723660061
9100453228573216
1023021013131313
11737617a83533a
1226b9762876129
13cacb45375642
14598319c04d21
1529dc6926cbe3
hex14efff4f6031

23021013131313 has 8 divisors (see below), whose sum is σ = 30694911652128. Its totient is φ = 15347228349024.

The previous prime is 23021013131287. The next prime is 23021013131341. The reversal of 23021013131313 is 31313131012032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23021013131313 - 244 = 5428827086897 is a prime.

It is a super-2 number, since 2×230210131313132 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23021023131313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27961231 + ... + 28772772.

It is an arithmetic number, because the mean of its divisors is an integer number (3836863956516).

Almost surely, 223021013131313 is an apocalyptic number.

It is an amenable number.

23021013131313 is a deficient number, since it is larger than the sum of its proper divisors (7673898520815).

23021013131313 is a wasteful number, since it uses less digits than its factorization.

23021013131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56869263.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 23021013131313 its reverse (31313131012032), we get a palindrome (54334144143345).

The spelling of 23021013131313 in words is "twenty-three trillion, twenty-one billion, thirteen million, one hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 135257 405771 56734003 170202009 7673671043771 23021013131313