108113631 has 8 divisors (see below), whose sum is σ = 144771120. Its totient is φ = 71765952.

The previous prime is 108113627. The next prime is 108113669. The reversal of 108113631 is 136311801.

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

It is not a de Polignac number, because 108113631 - 2² = 108113627 is a prime.

It is a super-2 number, since 2×108113631² = 23377114416008322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108113611) 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, 76636 + ... + 78033.

It is an arithmetic number, because the mean of its divisors is an integer number (18096390).

Almost surely, 2^108113631 is an apocalyptic number.

108113631 is a deficient number, since it is larger than the sum of its proper divisors (36657489).

108113631 is a wasteful number, since it uses less digits than its factorization.

108113631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154905.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 108113631 is about 10397.7704821755. The cubic root of 108113631 is about 476.3872736877.

The spelling of 108113631 in words is "one hundred eight million, one hundred thirteen thousand, six hundred thirty-one".