31043232032 has 24 divisors (see below), whose sum is σ = 61121692800. Its totient is φ = 15520262464.

The previous prime is 31043232013. The next prime is 31043232071. The reversal of 31043232032 is 23023234013.

It is a junction number, because it is equal to n+sod(n) for n = 31043231989 and 31043232007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402269 + ... + 473187.

It is an arithmetic number, because the mean of its divisors is an integer number (2546737200).

Almost surely, 2^31043232032 is an apocalyptic number.

31043232032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31043232032 is a deficient number, since it is larger than the sum of its proper divisors (30078460768).

31043232032 is a wasteful number, since it uses less digits than its factorization.

31043232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84608 (or 84600 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31043232032 its reverse (23023234013), we get a palindrome (54066466045).

The spelling of 31043232032 in words is "thirty-one billion, forty-three million, two hundred thirty-two thousand, thirty-two".