31774113 has 20 divisors (see below), whose sum is σ = 54246720. Its totient is φ = 18156312.

The previous prime is 31774103. The next prime is 31774123. The reversal of 31774113 is 31147713.

It is an interprime number because it is at equal distance from previous prime (31774103) and next prime (31774123).

It is not a de Polignac number, because 31774113 - 2⁵ = 31774081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31774103) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 27453 + ... + 28586.

It is an arithmetic number, because the mean of its divisors is an integer number (2712336).

Almost surely, 2^31774113 is an apocalyptic number.

It is an amenable number.

31774113 is a deficient number, since it is larger than the sum of its proper divisors (22472607).

31774113 is an equidigital number, since it uses as much as digits as its factorization.

31774113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56058 (or 56049 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 31774113 is about 5636.8531114444. The cubic root of 31774113 is about 316.7314180916.

The spelling of 31774113 in words is "thirty-one million, seven hundred seventy-four thousand, one hundred thirteen".