103931331 has 32 divisors (see below), whose sum is σ = 165027840. Its totient is φ = 56923776.

The previous prime is 103931327. The next prime is 103931381. The reversal of 103931331 is 133139301.

It is not a de Polignac number, because 103931331 - 2² = 103931327 is a prime.

It is a super-2 number, since 2×103931331² = 21603443126863122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103931381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95070 + ... + 96156.

It is an arithmetic number, because the mean of its divisors is an integer number (5157120).

Almost surely, 2^103931331 is an apocalyptic number.

103931331 is a deficient number, since it is larger than the sum of its proper divisors (61096509).

103931331 is a wasteful number, since it uses less digits than its factorization.

103931331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 103931331 is about 10194.6716965285. The cubic root of 103931331 is about 470.1634123187.

The spelling of 103931331 in words is "one hundred three million, nine hundred thirty-one thousand, three hundred thirty-one".