31532418332 has 12 divisors (see below), whose sum is σ = 55332093600. Its totient is φ = 15723248736.

The previous prime is 31532418331. The next prime is 31532418419. The reversal of 31532418332 is 23381423513.

It is a junction number, because it is equal to n+sod(n) for n = 31532418292 and 31532418301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31532418331) 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 3 ways as a sum of consecutive naturals, for example, 10738457 + ... + 10741392.

It is an arithmetic number, because the mean of its divisors is an integer number (4611007800).

Almost surely, 2^31532418332 is an apocalyptic number.

It is an amenable number.

31532418332 is a deficient number, since it is larger than the sum of its proper divisors (23799675268).

31532418332 is a wasteful number, since it uses less digits than its factorization.

31532418332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480220 (or 21480218 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The spelling of 31532418332 in words is "thirty-one billion, five hundred thirty-two million, four hundred eighteen thousand, three hundred thirty-two".