231535251053253 has 64 divisors (see below), whose sum is σ = 397656728340480. Its totient is φ = 130409932587264.

The previous prime is 231535251053137. The next prime is 231535251053287. The reversal of 231535251053253 is 352350152535132.

231535251053253 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 3 + 52 + 5 + 10 + 532 + 53 = 666.

It is not a de Polignac number, because 231535251053253 - 2⁹ = 231535251052741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231535251053199 and 231535251053208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231535251054253) 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 63 ways as a sum of consecutive naturals, for example, 10251051 + ... + 23835992.

It is an arithmetic number, because the mean of its divisors is an integer number (6213386380320).

Almost surely, 2^{231535251053253} is an apocalyptic number.

It is an amenable number.

231535251053253 is a deficient number, since it is larger than the sum of its proper divisors (166121477287227).

231535251053253 is a wasteful number, since it uses less digits than its factorization.

231535251053253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34087575 (or 34087569 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 45.

The spelling of 231535251053253 in words is "two hundred thirty-one trillion, five hundred thirty-five billion, two hundred fifty-one million, fifty-three thousand, two hundred fifty-three".