31353025253 has 24 divisors (see below), whose sum is σ = 36582625728. Its totient is φ = 26598176000.

The previous prime is 31353025247. The next prime is 31353025259. The reversal of 31353025253 is 35252035313.

It is an interprime number because it is at equal distance from previous prime (31353025247) and next prime (31353025259).

It is not a de Polignac number, because 31353025253 - 2¹⁸ = 31352763109 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31353025259) 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, 388433 + ... + 462153.

It is an arithmetic number, because the mean of its divisors is an integer number (1524276072).

Almost surely, 2^31353025253 is an apocalyptic number.

It is an amenable number.

31353025253 is a deficient number, since it is larger than the sum of its proper divisors (5229600475).

31353025253 is a wasteful number, since it uses less digits than its factorization.

31353025253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73837 (or 73796 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 32.

The spelling of 31353025253 in words is "thirty-one billion, three hundred fifty-three million, twenty-five thousand, two hundred fifty-three".