31055412 has 24 divisors (see below), whose sum is σ = 72911776. Its totient is φ = 10287648.

The previous prime is 31055407. The next prime is 31055419. The reversal of 31055412 is 21455013.

It is a super-2 number, since 2×31055412² = 1928877228979488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31055419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5983 + ... + 9894.

Almost surely, 2^31055412 is an apocalyptic number.

It is an amenable number.

31055412 is an abundant number, since it is smaller than the sum of its proper divisors (41856364).

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

31055412 is a wasteful number, since it uses less digits than its factorization.

31055412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16047 (or 16045 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 31055412 is about 5572.7382856187. The cubic root of 31055412 is about 314.3251260689.

The spelling of 31055412 in words is "thirty-one million, fifty-five thousand, four hundred twelve".