31373522053 has 4 divisors (see below), whose sum is σ = 31378303168. Its totient is φ = 31368740940.

The previous prime is 31373522039. The next prime is 31373522077. The reversal of 31373522053 is 35022537313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31373522053 - 2⁵ = 31373522021 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 (31373522093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380701 + ... + 2393842.

It is an arithmetic number, because the mean of its divisors is an integer number (7844575792).

Almost surely, 2^31373522053 is an apocalyptic number.

It is an amenable number.

31373522053 is a deficient number, since it is larger than the sum of its proper divisors (4781115).

31373522053 is an equidigital number, since it uses as much as digits as its factorization.

31373522053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781114.

The product of its (nonzero) digits is 56700, while the sum is 34.

The spelling of 31373522053 in words is "thirty-one billion, three hundred seventy-three million, five hundred twenty-two thousand, fifty-three".