31004411432 has 32 divisors (see below), whose sum is σ = 62616021600. Its totient is φ = 14344755264.

The previous prime is 31004411429. The next prime is 31004411491. The reversal of 31004411432 is 23411440013.

It is a super-2 number, since 2×31004411432² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31004411398 and 31004411407.

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 7 ways as a sum of consecutive naturals, for example, 2365283 + ... + 2378354.

It is an arithmetic number, because the mean of its divisors is an integer number (1956750675).

Almost surely, 2^31004411432 is an apocalyptic number.

It is an amenable number.

31004411432 is an abundant number, since it is smaller than the sum of its proper divisors (31611610168).

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

31004411432 is a wasteful number, since it uses less digits than its factorization.

31004411432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743705 (or 4743701 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31004411432 its reverse (23411440013), we get a palindrome (54415851445).

The spelling of 31004411432 in words is "thirty-one billion, four million, four hundred eleven thousand, four hundred thirty-two".