108693131 has 8 divisors (see below), whose sum is σ = 113983680. Its totient is φ = 103505472.

The previous prime is 108693107. The next prime is 108693133. The reversal of 108693131 is 131396801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108693131 - 2²⁶ = 41584267 is a prime.

It is a super-2 number, since 2×108693131² = 23628393453166322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108693133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23555 + ... + 27788.

It is an arithmetic number, because the mean of its divisors is an integer number (14247960).

Almost surely, 2^108693131 is an apocalyptic number.

108693131 is a deficient number, since it is larger than the sum of its proper divisors (5290549).

108693131 is an equidigital number, since it uses as much as digits as its factorization.

108693131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51445.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 108693131 is about 10425.5997908993. The cubic root of 108693131 is about 477.2369187575.

The spelling of 108693131 in words is "one hundred eight million, six hundred ninety-three thousand, one hundred thirty-one".