31612293307 has 48 divisors (see below), whose sum is σ = 38741993472. Its totient is φ = 25687549440.

The previous prime is 31612293283. The next prime is 31612293319. The reversal of 31612293307 is 70339221613.

It is a happy number.

It is not a de Polignac number, because 31612293307 - 2¹¹ = 31612291259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31612293007) 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, 15175288 + ... + 15177370.

It is an arithmetic number, because the mean of its divisors is an integer number (807124864).

Almost surely, 2^31612293307 is an apocalyptic number.

31612293307 is a deficient number, since it is larger than the sum of its proper divisors (7129700165).

31612293307 is a wasteful number, since it uses less digits than its factorization.

31612293307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2321 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 31612293307 in words is "thirty-one billion, six hundred twelve million, two hundred ninety-three thousand, three hundred seven".