31113764 has 12 divisors (see below), whose sum is σ = 59399088. Its totient is φ = 14142600.

The previous prime is 31113763. The next prime is 31113767. The reversal of 31113764 is 46731113.

It is not an unprimeable number, because it can be changed into a prime (31113763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353522 + ... + 353609.

It is an arithmetic number, because the mean of its divisors is an integer number (4949924).

Almost surely, 2^31113764 is an apocalyptic number.

It is an amenable number.

31113764 is a deficient number, since it is larger than the sum of its proper divisors (28285324).

31113764 is a wasteful number, since it uses less digits than its factorization.

31113764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707146 (or 707144 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 31113764 is about 5577.9713158101. The cubic root of 31113764 is about 314.5218714227.

Adding to 31113764 its reverse (46731113), we get a palindrome (77844877).

The spelling of 31113764 in words is "thirty-one million, one hundred thirteen thousand, seven hundred sixty-four".