31552425513 has 48 divisors (see below), whose sum is σ = 52527529600. Its totient is φ = 17877646080.

The previous prime is 31552425503. The next prime is 31552425521.

31552425513 is a `hidden beast` number, since 3 + 1 + 552 + 42 + 55 + 13 = 666.

31552425513 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31552425513 - 2¹⁷ = 31552294441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31552425503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8939133 + ... + 8942661.

Almost surely, 2^31552425513 is an apocalyptic number.

It is an amenable number.

31552425513 is a deficient number, since it is larger than the sum of its proper divisors (20975104087).

31552425513 is a wasteful number, since it uses less digits than its factorization.

31552425513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702 (or 4699 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 31552425513 in words is "thirty-one billion, five hundred fifty-two million, four hundred twenty-five thousand, five hundred thirteen".