103112331 has 16 divisors (see below), whose sum is σ = 157479168. Its totient is φ = 58788000.

The previous prime is 103112329. The next prime is 103112351. The reversal of 103112331 is 133211301.

It is not a de Polignac number, because 103112331 - 2¹ = 103112329 is a prime.

It is a super-2 number, since 2×103112331² = 21264305608507122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103112331.

It is not an unprimeable number, because it can be changed into a prime (103112351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4356 + ... + 15006.

It is an arithmetic number, because the mean of its divisors is an integer number (9842448).

Almost surely, 2^103112331 is an apocalyptic number.

103112331 is a deficient number, since it is larger than the sum of its proper divisors (54366837).

103112331 is a wasteful number, since it uses less digits than its factorization.

103112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 103112331 is about 10154.4242081961. The cubic root of 103112331 is about 468.9251596415.

Adding to 103112331 its reverse (133211301), we get a palindrome (236323632).

The spelling of 103112331 in words is "one hundred three million, one hundred twelve thousand, three hundred thirty-one".