31484272 has 20 divisors (see below), whose sum is σ = 64589616. Its totient is φ = 14816000.

The previous prime is 31484267. The next prime is 31484281. The reversal of 31484272 is 27248413.

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, 57604 + ... + 58147.

Almost surely, 2^31484272 is an apocalyptic number.

It is an amenable number.

31484272 is an abundant number, since it is smaller than the sum of its proper divisors (33105344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31484272 is a wasteful number, since it uses less digits than its factorization.

31484272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115776 (or 115770 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 31484272 is about 5611.0847436124. The cubic root of 31484272 is about 315.7654083259.

The spelling of 31484272 in words is "thirty-one million, four hundred eighty-four thousand, two hundred seventy-two".