31353656431163 has 16 divisors (see below), whose sum is σ = 35732733023232. Its totient is φ = 27251526252000.

The previous prime is 31353656431159. The next prime is 31353656431177. The reversal of 31353656431163 is 36113465635313.

It is not a de Polignac number, because 31353656431163 - 2² = 31353656431159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31353656437163) 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, 553864508 + ... + 553921113.

It is an arithmetic number, because the mean of its divisors is an integer number (2233295813952).

Almost surely, 2^{31353656431163} is an apocalyptic number.

31353656431163 is a deficient number, since it is larger than the sum of its proper divisors (4379076592069).

31353656431163 is a wasteful number, since it uses less digits than its factorization.

31353656431163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107785746.

The product of its digits is 5248800, while the sum is 50.

The spelling of 31353656431163 in words is "thirty-one trillion, three hundred fifty-three billion, six hundred fifty-six million, four hundred thirty-one thousand, one hundred sixty-three".