31120007499 has 12 divisors (see below), whose sum is σ = 51372710896. Its totient is φ = 17782861392.

The previous prime is 31120007461. The next prime is 31120007533. The reversal of 31120007499 is 99470002113.

It is not a de Polignac number, because 31120007499 - 2¹³ = 31119999307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31120007449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246984124 + ... + 246984249.

Almost surely, 2^31120007499 is an apocalyptic number.

31120007499 is a deficient number, since it is larger than the sum of its proper divisors (20252703397).

31120007499 is a wasteful number, since it uses less digits than its factorization.

31120007499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493968386 (or 493968383 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 31120007499 in words is "thirty-one billion, one hundred twenty million, seven thousand, four hundred ninety-nine".