231513414055525 has 24 divisors (see below), whose sum is σ = 328274739272384. Its totient is φ = 158661494928000.

The previous prime is 231513414055523. The next prime is 231513414055639. The reversal of 231513414055525 is 525550414315132.

It is not a de Polignac number, because 231513414055525 - 2¹ = 231513414055523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231513414055523) 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, 377027451 + ... + 377641000.

Almost surely, 2^{231513414055525} is an apocalyptic number.

231513414055525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231513414055525 is a deficient number, since it is larger than the sum of its proper divisors (96761325216859).

231513414055525 is a wasteful number, since it uses less digits than its factorization.

231513414055525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754670221 (or 754670216 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 231513414055525 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fourteen million, fifty-five thousand, five hundred twenty-five".