23251505131 has 8 divisors (see below), whose sum is σ = 24113880720. Its totient is φ = 22393169568.

The previous prime is 23251505117. The next prime is 23251505141. The reversal of 23251505131 is 13150515232.

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

It is a cyclic number.

It is not a de Polignac number, because 23251505131 - 2¹⁷ = 23251374059 is a prime.

It is a super-2 number, since 2×23251505131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23251505131.

It is not an unprimeable number, because it can be changed into a prime (23251505141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998281 + ... + 1021306.

It is an arithmetic number, because the mean of its divisors is an integer number (3014235090).

Almost surely, 2^23251505131 is an apocalyptic number.

23251505131 is a deficient number, since it is larger than the sum of its proper divisors (862375589).

23251505131 is a wasteful number, since it uses less digits than its factorization.

23251505131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020013.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 23251505131 in words is "twenty-three billion, two hundred fifty-one million, five hundred five thousand, one hundred thirty-one".