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10023431313 = 373794113709
BaseRepresentation
bin10010101010111000…
…10110110010010001
3221212112212001211210
421111130112302101
5131011444300223
64334340530333
7503250521550
oct112534266221
927775761753
1010023431313
114283a69335
121b389b09a9
13c3980265c
146b1301d97
153d9e8a893
hex255716c91

10023431313 has 32 divisors (see below), whose sum is σ = 15704421120. Its totient is φ = 5566544640.

The previous prime is 10023431291. The next prime is 10023431329. The reversal of 10023431313 is 31313432001.

It is not a de Polignac number, because 10023431313 - 210 = 10023430289 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10023431313.

It is not an unprimeable number, because it can be changed into a prime (10023433313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724303 + ... + 738011.

It is an arithmetic number, because the mean of its divisors is an integer number (490763160).

Almost surely, 210023431313 is an apocalyptic number.

It is an amenable number.

10023431313 is a deficient number, since it is larger than the sum of its proper divisors (5680989807).

10023431313 is a wasteful number, since it uses less digits than its factorization.

10023431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14697.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 10023431313 its reverse (31313432001), we get a palindrome (41336863314).

The spelling of 10023431313 in words is "ten billion, twenty-three million, four hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 3 7 21 37 111 259 777 941 2823 6587 13709 19761 34817 41127 95963 104451 243719 287889 507233 731157 1521699 3550631 10651893 12900169 38700507 90301183 270903549 477306253 1431918759 3341143771 10023431313