31607375345 has 16 divisors (see below), whose sum is σ = 46681662720. Its totient is φ = 20006426304.

The previous prime is 31607375329. The next prime is 31607375347. The reversal of 31607375345 is 54357370613.

It is a cyclic number.

It is not a de Polignac number, because 31607375345 - 2⁴ = 31607375329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31607375296 and 31607375305.

It is not an unprimeable number, because it can be changed into a prime (31607375347) 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, 34732925 + ... + 34733834.

It is an arithmetic number, because the mean of its divisors is an integer number (2917603920).

Almost surely, 2^31607375345 is an apocalyptic number.

31607375345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31607375345 is a deficient number, since it is larger than the sum of its proper divisors (15074287375).

31607375345 is a wasteful number, since it uses less digits than its factorization.

31607375345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69466784.

The product of its (nonzero) digits is 793800, while the sum is 44.

The spelling of 31607375345 in words is "thirty-one billion, six hundred seven million, three hundred seventy-five thousand, three hundred forty-five".