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23101120131 = 359155983717
BaseRepresentation
bin10101100000111011…
…110001111010000011
32012121221211111022220
4111200323301322003
5334302341321011
614340145102123
71445316165315
oct254073617203
965557744286
1023101120131
119884a86521
124588627943
13224200576b
1411920d17b5
15903136506
hex560ef1e83

23101120131 has 16 divisors (see below), whose sum is σ = 31344019200. Its totient is φ = 15129825248.

The previous prime is 23101120127. The next prime is 23101120153. The reversal of 23101120131 is 13102110132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23101120131 - 22 = 23101120127 is a prime.

It is a super-2 number, since 2×231011201312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23101120131.

It is not an unprimeable number, because it can be changed into a prime (23101120171) 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, 234085 + ... + 317801.

It is an arithmetic number, because the mean of its divisors is an integer number (1959001200).

Almost surely, 223101120131 is an apocalyptic number.

23101120131 is a deficient number, since it is larger than the sum of its proper divisors (8242899069).

23101120131 is a wasteful number, since it uses less digits than its factorization.

23101120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85338.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23101120131 its reverse (13102110132), we get a palindrome (36203230263).

Subtracting from 23101120131 its reverse (13102110132), we obtain a palindrome (9999009999).

The spelling of 23101120131 in words is "twenty-three billion, one hundred one million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 59 177 1559 4677 83717 91981 251151 275943 4939303 14817909 130514803 391544409 7700373377 23101120131