109202631 has 16 divisors (see below), whose sum is σ = 149735520. Its totient is φ = 70761600.

The previous prime is 109202623. The next prime is 109202647. The reversal of 109202631 is 136202901.

It is not a de Polignac number, because 109202631 - 2³ = 109202623 is a prime.

It is a super-2 number, since 2×109202631² = 23850429234644322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109002631) 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, 14181 + ... + 20481.

It is an arithmetic number, because the mean of its divisors is an integer number (9358470).

Almost surely, 2^109202631 is an apocalyptic number.

109202631 is a deficient number, since it is larger than the sum of its proper divisors (40532889).

109202631 is a wasteful number, since it uses less digits than its factorization.

109202631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 109202631 is about 10450.0062679407. The cubic root of 109202631 is about 477.9814407224.

The spelling of 109202631 in words is "one hundred nine million, two hundred two thousand, six hundred thirty-one".