231252029925 has 24 divisors (see below), whose sum is σ = 436956217536. Its totient is φ = 105715213440.

The previous prime is 231252029893. The next prime is 231252029927. The reversal of 231252029925 is 529920252132.

It is not a de Polignac number, because 231252029925 - 2⁵ = 231252029893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231252029927) 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, 220239504 + ... + 220240553.

It is an arithmetic number, because the mean of its divisors is an integer number (18206509064).

Almost surely, 2^231252029925 is an apocalyptic number.

231252029925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231252029925 is a deficient number, since it is larger than the sum of its proper divisors (205704187611).

231252029925 is a wasteful number, since it uses less digits than its factorization.

231252029925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440480077 (or 440480072 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 231252029925 in words is "two hundred thirty-one billion, two hundred fifty-two million, twenty-nine thousand, nine hundred twenty-five".