31010313325 has 6 divisors (see below), whose sum is σ = 38452788554. Its totient is φ = 24808250640.

The previous prime is 31010313233. The next prime is 31010313337. The reversal of 31010313325 is 52331301013.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19527561 + 30990785764 = 4419^2 + 176042^2 .

It is not a de Polignac number, because 31010313325 - 2¹⁵ = 31010280557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31010313296 and 31010313305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620206242 + ... + 620206291.

Almost surely, 2^31010313325 is an apocalyptic number.

It is an amenable number.

31010313325 is a deficient number, since it is larger than the sum of its proper divisors (7442475229).

31010313325 is a wasteful number, since it uses less digits than its factorization.

31010313325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240412543 (or 1240412538 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 31010313325 its reverse (52331301013), we get a palindrome (83341614338).

The spelling of 31010313325 in words is "thirty-one billion, ten million, three hundred thirteen thousand, three hundred twenty-five".