108497931 has 16 divisors (see below), whose sum is σ = 148569120. Its totient is φ = 70388480.

The previous prime is 108497899. The next prime is 108497951. The reversal of 108497931 is 139794801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 108497931 - 2⁵ = 108497899 is a prime.

It is a super-2 number, since 2×108497931² = 23543602062561522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108497951) 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, 61741 + ... + 63473.

It is an arithmetic number, because the mean of its divisors is an integer number (9285570).

Almost surely, 2^108497931 is an apocalyptic number.

108497931 is a deficient number, since it is larger than the sum of its proper divisors (40071189).

108497931 is a wasteful number, since it uses less digits than its factorization.

108497931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 108497931 is about 10416.2340123482. The cubic root of 108497931 is about 476.9510605575.

The spelling of 108497931 in words is "one hundred eight million, four hundred ninety-seven thousand, nine hundred thirty-one".