31113107 has 8 divisors (see below), whose sum is σ = 32088576. Its totient is φ = 30150792.

The previous prime is 31113083. The next prime is 31113109. The reversal of 31113107 is 70131113.

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

It is a cyclic number.

It is not a de Polignac number, because 31113107 - 2¹⁰ = 31112083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (4011072).

Almost surely, 2^31113107 is an apocalyptic number.

31113107 is a deficient number, since it is larger than the sum of its proper divisors (975469).

31113107 is a wasteful number, since it uses less digits than its factorization.

31113107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 31113107 is about 5577.9124231203. The cubic root of 31113107 is about 314.5196575866.

The spelling of 31113107 in words is "thirty-one million, one hundred thirteen thousand, one hundred seven".