31113874 has 8 divisors (see below), whose sum is σ = 50913648. Its totient is φ = 14142660.

The previous prime is 31113853. The next prime is 31113881. The reversal of 31113874 is 47831113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707112 + ... + 707155.

It is an arithmetic number, because the mean of its divisors is an integer number (6364206).

Almost surely, 2^31113874 is an apocalyptic number.

31113874 is a deficient number, since it is larger than the sum of its proper divisors (19799774).

31113874 is a wasteful number, since it uses less digits than its factorization.

31113874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414280.

The product of its digits is 2016, while the sum is 28.

The square root of 31113874 is about 5577.9811760170. The cubic root of 31113874 is about 314.5222420771.

Adding to 31113874 its reverse (47831113), we get a palindrome (78944987).

The spelling of 31113874 in words is "thirty-one million, one hundred thirteen thousand, eight hundred seventy-four".