31004410432 has 56 divisors (see below), whose sum is σ = 64009625600. Its totient is φ = 14883886080.

The previous prime is 31004410421. The next prime is 31004410447. The reversal of 31004410432 is 23401440013.

It is a super-2 number, since 2×31004410432² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190444 + ... + 313492.

Almost surely, 2^31004410432 is an apocalyptic number.

31004410432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31004410432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32004812800).

31004410432 is an abundant number, since it is smaller than the sum of its proper divisors (33005215168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31004410432 is a wasteful number, since it uses less digits than its factorization.

31004410432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123219 (or 123209 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31004410432 its reverse (23401440013), we get a palindrome (54405850445).

The spelling of 31004410432 in words is "thirty-one billion, four million, four hundred ten thousand, four hundred thirty-two".