31474648 has 16 divisors (see below), whose sum is σ = 59379480. Its totient is φ = 15640128.

The previous prime is 31474601. The next prime is 31474669. The reversal of 31474648 is 84647413.

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, 10765 + ... + 13372.

Almost surely, 2^31474648 is an apocalyptic number.

It is an amenable number.

31474648 is a deficient number, since it is larger than the sum of its proper divisors (27904832).

31474648 is a wasteful number, since it uses less digits than its factorization.

31474648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24306 (or 24302 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 31474648 is about 5610.2270898779. The cubic root of 31474648 is about 315.7332310324.

The spelling of 31474648 in words is "thirty-one million, four hundred seventy-four thousand, six hundred forty-eight".