31416912 has 60 divisors (see below), whose sum is σ = 88788960. Its totient is φ = 10369344.

The previous prime is 31416907. The next prime is 31416923. The reversal of 31416912 is 21961413.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 12.

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 11 ways as a sum of consecutive naturals, for example, 14389 + ... + 16427.

It is an arithmetic number, because the mean of its divisors is an integer number (1479816).

Almost surely, 2^31416912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31416912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44394480).

31416912 is an abundant number, since it is smaller than the sum of its proper divisors (57372048).

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

31416912 is a wasteful number, since it uses less digits than its factorization.

31416912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2151 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 31416912 is about 5605.0791252221. The cubic root of 31416912 is about 315.5400561792.

The spelling of 31416912 in words is "thirty-one million, four hundred sixteen thousand, nine hundred twelve".