31432204412 has 48 divisors (see below), whose sum is σ = 67787086080. Its totient is φ = 12450672000.

The previous prime is 31432204403. The next prime is 31432204603. The reversal of 31432204412 is 21440223413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698714 + ... + 742337.

It is an arithmetic number, because the mean of its divisors is an integer number (1412230960).

Almost surely, 2^31432204412 is an apocalyptic number.

It is an amenable number.

31432204412 is an abundant number, since it is smaller than the sum of its proper divisors (36354881668).

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

31432204412 is a wasteful number, since it uses less digits than its factorization.

31432204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441122 (or 1441120 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31432204412 its reverse (21440223413), we get a palindrome (52872427825).

The spelling of 31432204412 in words is "thirty-one billion, four hundred thirty-two million, two hundred four thousand, four hundred twelve".