103931090 has 16 divisors (see below), whose sum is σ = 187308288. Its totient is φ = 41520816.

The previous prime is 103931063. The next prime is 103931101. The reversal of 103931090 is 90139301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (11706768).

Almost surely, 2^103931090 is an apocalyptic number.

103931090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103931090 is a deficient number, since it is larger than the sum of its proper divisors (83377198).

103931090 is a wasteful number, since it uses less digits than its factorization.

103931090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 103931090 is about 10194.6598766217. The cubic root of 103931090 is about 470.1630489073.

The spelling of 103931090 in words is "one hundred three million, nine hundred thirty-one thousand, ninety".