31593058945 has 12 divisors (see below), whose sum is σ = 44101331604. Its totient is φ = 21663811680.

The previous prime is 31593058901. The next prime is 31593058969. The reversal of 31593058945 is 54985039513.

It can be written as a sum of positive squares in 2 ways, for example, as 16921066561 + 14671992384 = 130081^2 + 121128^2 .

It is not a de Polignac number, because 31593058945 - 2¹¹ = 31593056897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31593058892 and 31593058901.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64475386 + ... + 64475875.

It is an arithmetic number, because the mean of its divisors is an integer number (3675110967).

Almost surely, 2^31593058945 is an apocalyptic number.

31593058945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31593058945 is a deficient number, since it is larger than the sum of its proper divisors (12508272659).

31593058945 is a wasteful number, since it uses less digits than its factorization.

31593058945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128951280 (or 128951273 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 31593058945 in words is "thirty-one billion, five hundred ninety-three million, fifty-eight thousand, nine hundred forty-five".