31031676495 has 48 divisors (see below), whose sum is σ = 56971848960. Its totient is φ = 15571325952.

The previous prime is 31031676493. The next prime is 31031676499. The reversal of 31031676495 is 59467613013.

It is a happy number.

It is not a de Polignac number, because 31031676495 - 2¹ = 31031676493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 31031676495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031676491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3152241 + ... + 3162069.

It is an arithmetic number, because the mean of its divisors is an integer number (1186913520).

Almost surely, 2^31031676495 is an apocalyptic number.

31031676495 is a deficient number, since it is larger than the sum of its proper divisors (25940172465).

31031676495 is a wasteful number, since it uses less digits than its factorization.

31031676495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984 (or 13981 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 31031676495 in words is "thirty-one billion, thirty-one million, six hundred seventy-six thousand, four hundred ninety-five".