31164055 has 24 divisors (see below), whose sum is σ = 41541696. Its totient is φ = 22300800.

The previous prime is 31164031. The next prime is 31164073. The reversal of 31164055 is 55046113.

It is not a de Polignac number, because 31164055 - 2⁹ = 31163543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308505 + ... + 308605.

It is an arithmetic number, because the mean of its divisors is an integer number (1730904).

Almost surely, 2^31164055 is an apocalyptic number.

31164055 is a deficient number, since it is larger than the sum of its proper divisors (10377641).

31164055 is a wasteful number, since it uses less digits than its factorization.

31164055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 31164055 is about 5582.4774965959. The cubic root of 31164055 is about 314.6912402457.

The spelling of 31164055 in words is "thirty-one million, one hundred sixty-four thousand, fifty-five".