31113974 has 4 divisors (see below), whose sum is σ = 46670964. Its totient is φ = 15556986.

The previous prime is 31113967. The next prime is 31114007. The reversal of 31113974 is 47931113.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7778492 + ... + 7778495.

It is an arithmetic number, because the mean of its divisors is an integer number (11667741).

Almost surely, 2^31113974 is an apocalyptic number.

31113974 is a deficient number, since it is larger than the sum of its proper divisors (15556990).

31113974 is a wasteful number, since it uses less digits than its factorization.

31113974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15556989.

The product of its digits is 2268, while the sum is 29.

The square root of 31113974 is about 5577.9901398264. The cubic root of 31113974 is about 314.5225790350.

The spelling of 31113974 in words is "thirty-one million, one hundred thirteen thousand, nine hundred seventy-four".