31461356053 has 4 divisors (see below), whose sum is σ = 31461786720. Its totient is φ = 31460925388.

The previous prime is 31461356041. The next prime is 31461356123. The reversal of 31461356053 is 35065316413.

It is a happy number.

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 31461356053 - 2⁵ = 31461356021 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 (31461356033) 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, 75475 + ... + 261952.

It is an arithmetic number, because the mean of its divisors is an integer number (7865446680).

Almost surely, 2^31461356053 is an apocalyptic number.

It is an amenable number.

31461356053 is a deficient number, since it is larger than the sum of its proper divisors (430667).

31461356053 is an equidigital number, since it uses as much as digits as its factorization.

31461356053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430666.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 31461356053 in words is "thirty-one billion, four hundred sixty-one million, three hundred fifty-six thousand, fifty-three".