31074748 has 24 divisors (see below), whose sum is σ = 57824928. Its totient is φ = 14579136.

The previous prime is 31074739. The next prime is 31074749. The reversal of 31074748 is 84747013.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690 + ... + 8062.

It is an arithmetic number, because the mean of its divisors is an integer number (2409372).

Almost surely, 2^31074748 is an apocalyptic number.

It is an amenable number.

31074748 is a deficient number, since it is larger than the sum of its proper divisors (26750180).

31074748 is a wasteful number, since it uses less digits than its factorization.

31074748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453 (or 6451 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 31074748 is about 5574.4728898794. The cubic root of 31074748 is about 314.3903485136.

The spelling of 31074748 in words is "thirty-one million, seventy-four thousand, seven hundred forty-eight".