108965631 has 16 divisors (see below), whose sum is σ = 154047744. Its totient is φ = 68275584.

The previous prime is 108965579. The next prime is 108965641. The reversal of 108965631 is 136569801.

It is not a de Polignac number, because 108965631 - 2⁷ = 108965503 is a prime.

It is a super-2 number, since 2×108965631² = 23747017478456322, 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 108965631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108965641) 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, 61500 + ... + 63246.

It is an arithmetic number, because the mean of its divisors is an integer number (9627984).

Almost surely, 2^108965631 is an apocalyptic number.

108965631 is a deficient number, since it is larger than the sum of its proper divisors (45082113).

108965631 is a wasteful number, since it uses less digits than its factorization.

108965631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 108965631 is about 10438.6604025612. The cubic root of 108965631 is about 477.6354061681.

The spelling of 108965631 in words is "one hundred eight million, nine hundred sixty-five thousand, six hundred thirty-one".