31404426764 has 6 divisors (see below), whose sum is σ = 54957746844. Its totient is φ = 15702213380.

The previous prime is 31404426749. The next prime is 31404426793. The reversal of 31404426764 is 46762440413.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3925553342 + ... + 3925553349.

It is an arithmetic number, because the mean of its divisors is an integer number (9159624474).

Almost surely, 2^31404426764 is an apocalyptic number.

It is an amenable number.

31404426764 is a deficient number, since it is larger than the sum of its proper divisors (23553320080).

31404426764 is a wasteful number, since it uses less digits than its factorization.

31404426764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851106695 (or 7851106693 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 31404426764 in words is "thirty-one billion, four hundred four million, four hundred twenty-six thousand, seven hundred sixty-four".