31790468 has 12 divisors (see below), whose sum is σ = 55840512. Its totient is φ = 15836040.

The previous prime is 31790461. The next prime is 31790497. The reversal of 31790468 is 86409713.

It is not an unprimeable number, because it can be changed into a prime (31790461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13580 + ... + 15747.

It is an arithmetic number, because the mean of its divisors is an integer number (4653376).

Almost surely, 2^31790468 is an apocalyptic number.

It is an amenable number.

31790468 is a deficient number, since it is larger than the sum of its proper divisors (24050044).

31790468 is a wasteful number, since it uses less digits than its factorization.

31790468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29602 (or 29600 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 31790468 is about 5638.3036456012. The cubic root of 31790468 is about 316.7857521948.

The spelling of 31790468 in words is "thirty-one million, seven hundred ninety thousand, four hundred sixty-eight".