31404414372 has 48 divisors (see below), whose sum is σ = 75281532480. Its totient is φ = 10181953152.

The previous prime is 31404414343. The next prime is 31404414403. The reversal of 31404414372 is 27341440413.

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, 1650658 + ... + 1669574.

It is an arithmetic number, because the mean of its divisors is an integer number (1568365260).

Almost surely, 2^31404414372 is an apocalyptic number.

It is an amenable number.

31404414372 is an abundant number, since it is smaller than the sum of its proper divisors (43877118108).

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

31404414372 is a wasteful number, since it uses less digits than its factorization.

31404414372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22700 (or 22698 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 31404414372 its reverse (27341440413), we get a palindrome (58745854785).

The spelling of 31404414372 in words is "thirty-one billion, four hundred four million, four hundred fourteen thousand, three hundred seventy-two".