31484408 has 16 divisors (see below), whose sum is σ = 62506080. Its totient is φ = 14816128.

The previous prime is 31484377. The next prime is 31484413. The reversal of 31484408 is 80448413.

It is a super-2 number, since 2×31484408² = 1982535894220928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115616 + ... + 115887.

It is an arithmetic number, because the mean of its divisors is an integer number (3906630).

Almost surely, 2^31484408 is an apocalyptic number.

It is an amenable number.

31484408 is a deficient number, since it is larger than the sum of its proper divisors (31021672).

31484408 is a wasteful number, since it uses less digits than its factorization.

31484408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231526 (or 231522 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 31484408 is about 5611.0968624682. The cubic root of 31484408 is about 315.7658629872.

The spelling of 31484408 in words is "thirty-one million, four hundred eighty-four thousand, four hundred eight".