31484968 has 16 divisors (see below), whose sum is σ = 60148980. Its totient is φ = 15445248.

The previous prime is 31484941. The next prime is 31484989. The reversal of 31484968 is 86948413.

It can be written as a sum of positive squares in 2 ways, for example, as 29789764 + 1695204 = 5458^2 + 1302^2 .

It is a super-2 number, since 2×31484968² = 1982606419922048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36705 + ... + 37552.

Almost surely, 2^31484968 is an apocalyptic number.

It is an amenable number.

31484968 is a deficient number, since it is larger than the sum of its proper divisors (28664012).

31484968 is a wasteful number, since it uses less digits than its factorization.

31484968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74316 (or 74312 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 31484968 is about 5611.1467633631. The cubic root of 31484968 is about 315.7677351079.

The spelling of 31484968 in words is "thirty-one million, four hundred eighty-four thousand, nine hundred sixty-eight".