31994416742 has 16 divisors (see below), whose sum is σ = 49426031520. Its totient is φ = 15521482368.

The previous prime is 31994416733. The next prime is 31994416763. The reversal of 31994416742 is 24761449913.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575603 + ... + 628734.

It is an arithmetic number, because the mean of its divisors is an integer number (3089126970).

Almost surely, 2^31994416742 is an apocalyptic number.

31994416742 is a deficient number, since it is larger than the sum of its proper divisors (17431614778).

31994416742 is a wasteful number, since it uses less digits than its factorization.

31994416742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204735.

The product of its digits is 1306368, while the sum is 50.

The spelling of 31994416742 in words is "thirty-one billion, nine hundred ninety-four million, four hundred sixteen thousand, seven hundred forty-two".