108045931 has 12 divisors (see below), whose sum is σ = 133080408. Its totient is φ = 87162432.

The previous prime is 108045929. The next prime is 108045937. The reversal of 108045931 is 139540801.

It is not a de Polignac number, because 108045931 - 2¹ = 108045929 is a prime.

It is a super-2 number, since 2×108045931² = 23347846411313522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108045893 and 108045902.

It is not an unprimeable number, because it can be changed into a prime (108045937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64021 + ... + 65686.

It is an arithmetic number, because the mean of its divisors is an integer number (11090034).

Almost surely, 2^108045931 is an apocalyptic number.

108045931 is a deficient number, since it is larger than the sum of its proper divisors (25034477).

108045931 is a wasteful number, since it uses less digits than its factorization.

108045931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129738 (or 129731 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 108045931 is about 10394.5144667753. The cubic root of 108045931 is about 476.2878161313.

The spelling of 108045931 in words is "one hundred eight million, forty-five thousand, nine hundred thirty-one".