31055168 has 28 divisors (see below), whose sum is σ = 61802772. Its totient is φ = 15482880.

The previous prime is 31055147. The next prime is 31055179. The reversal of 31055168 is 86155013.

It can be written as a sum of positive squares in 2 ways, for example, as 24127744 + 6927424 = 4912^2 + 2632^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31055168.

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, 40646 + ... + 41402.

Almost surely, 2^31055168 is an apocalyptic number.

It is an amenable number.

31055168 is a deficient number, since it is larger than the sum of its proper divisors (30747604).

31055168 is an equidigital number, since it uses as much as digits as its factorization.

31055168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 31055168 is about 5572.7163932861. The cubic root of 31055168 is about 314.3243028573.

The spelling of 31055168 in words is "thirty-one million, fifty-five thousand, one hundred sixty-eight".