31113926 has 8 divisors (see below), whose sum is σ = 48280320. Its totient is φ = 15020488.

The previous prime is 31113923. The next prime is 31113947. The reversal of 31113926 is 62931113.

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

It is a super-2 number, since 2×31113926² = 1936152782266952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31113895 and 31113904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113923) 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 3 ways as a sum of consecutive naturals, for example, 268166 + ... + 268281.

It is an arithmetic number, because the mean of its divisors is an integer number (6035040).

Almost surely, 2^31113926 is an apocalyptic number.

31113926 is a deficient number, since it is larger than the sum of its proper divisors (17166394).

31113926 is a wasteful number, since it uses less digits than its factorization.

31113926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536478.

The product of its digits is 972, while the sum is 26.

The square root of 31113926 is about 5577.9858371997. The cubic root of 31113926 is about 314.5224172953.

The spelling of 31113926 in words is "thirty-one million, one hundred thirteen thousand, nine hundred twenty-six".