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23331010131 = 32111318128213
BaseRepresentation
bin10101101110101000…
…101111011001010011
32020012222102010010100
4111232220233121103
5340240214311011
614415040303443
71454110212462
oct255650573123
966188363110
1023331010131
119992824260
124631611b83
13227a826950
1411b48549d9
159183e6d56
hex56ea2f653

23331010131 has 24 divisors (see below), whose sum is σ = 39592019376. Its totient is φ = 13052312640.

The previous prime is 23331010123. The next prime is 23331010141. The reversal of 23331010131 is 13101013332.

It is a happy number.

It is not a de Polignac number, because 23331010131 - 23 = 23331010123 is a prime.

It is a super-2 number, since 2×233310101312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23331010111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9062820 + ... + 9065393.

It is an arithmetic number, because the mean of its divisors is an integer number (1649667474).

Almost surely, 223331010131 is an apocalyptic number.

23331010131 is a deficient number, since it is larger than the sum of its proper divisors (16261009245).

23331010131 is a wasteful number, since it uses less digits than its factorization.

23331010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128243 (or 18128240 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 23331010131 its reverse (13101013332), we get a palindrome (36432023463).

The spelling of 23331010131 in words is "twenty-three billion, three hundred thirty-one million, ten thousand, one hundred thirty-one".

Divisors: 1 3 9 11 13 33 39 99 117 143 429 1287 18128213 54384639 163153917 199410343 235666769 598231029 707000307 1794693087 2121000921 2592334459 7777003377 23331010131