231552500505131 has 8 divisors (see below), whose sum is σ = 249414679335360. Its totient is φ = 213697528535232.

The previous prime is 231552500505077. The next prime is 231552500505167. The reversal of 231552500505131 is 131505005255132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231552500505131 is a prime.

It is a super-2 number, since 2×231552500505131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231552500505731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801648346 + ... + 1801776863.

It is an arithmetic number, because the mean of its divisors is an integer number (31176834916920).

Almost surely, 2^{231552500505131} is an apocalyptic number.

231552500505131 is a deficient number, since it is larger than the sum of its proper divisors (17862178830229).

231552500505131 is a wasteful number, since it uses less digits than its factorization.

231552500505131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603430165.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 231552500505131 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, five hundred million, five hundred five thousand, one hundred thirty-one".