31375113453 has 16 divisors (see below), whose sum is σ = 49215864960. Its totient is φ = 19686345408.

The previous prime is 31375113439. The next prime is 31375113457. The reversal of 31375113453 is 35431157313.

31375113453 is a `hidden beast` number, since 3 + 137 + 511 + 3 + 4 + 5 + 3 = 666.

It is not a de Polignac number, because 31375113453 - 2⁴ = 31375113437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31375113457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34177225 + ... + 34178142.

It is an arithmetic number, because the mean of its divisors is an integer number (3075991560).

Almost surely, 2^31375113453 is an apocalyptic number.

It is an amenable number.

31375113453 is a deficient number, since it is larger than the sum of its proper divisors (17840751507).

31375113453 is a wasteful number, since it uses less digits than its factorization.

31375113453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68355393 (or 68355387 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The spelling of 31375113453 in words is "thirty-one billion, three hundred seventy-five million, one hundred thirteen thousand, four hundred fifty-three".