5131981732 has 12 divisors (see below), whose sum is σ = 9150420636. Its totient is φ = 2517575840.

The previous prime is 5131981727. The next prime is 5131981783. The reversal of 5131981732 is 2371891315.

It can be written as a sum of positive squares in 2 ways, for example, as 3834829476 + 1297152256 = 61926^2 + 36016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12103519 + ... + 12103942.

It is an arithmetic number, because the mean of its divisors is an integer number (762535053).

Almost surely, 2^5131981732 is an apocalyptic number.

It is an amenable number.

5131981732 is a deficient number, since it is larger than the sum of its proper divisors (4018438904).

5131981732 is a wasteful number, since it uses less digits than its factorization.

5131981732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24207518 (or 24207516 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 5131981732 is about 71637.8512519743. The cubic root of 5131981732 is about 1724.8911764437.

The spelling of 5131981732 in words is "five billion, one hundred thirty-one million, nine hundred eighty-one thousand, seven hundred thirty-two".