31497484 has 12 divisors (see below), whose sum is σ = 55279224. Its totient is φ = 15703424.

The previous prime is 31497469. The next prime is 31497491. The reversal of 31497484 is 48479413.

It is a congruent number.

It is an unprimeable number.

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, 9742 + ... + 12565.

It is an arithmetic number, because the mean of its divisors is an integer number (4606602).

Almost surely, 2^31497484 is an apocalyptic number.

It is an amenable number.

31497484 is a deficient number, since it is larger than the sum of its proper divisors (23781740).

31497484 is a wasteful number, since it uses less digits than its factorization.

31497484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22664 (or 22662 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 31497484 is about 5612.2619325901. The cubic root of 31497484 is about 315.8095712141.

The spelling of 31497484 in words is "thirty-one million, four hundred ninety-seven thousand, four hundred eighty-four".