109231656 has 32 divisors (see below), whose sum is σ = 277711200. Its totient is φ = 35792960.

The previous prime is 109231649. The next prime is 109231673. The reversal of 109231656 is 656132901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37155 + ... + 39986.

It is an arithmetic number, because the mean of its divisors is an integer number (8678475).

Almost surely, 2^109231656 is an apocalyptic number.

It is an amenable number.

109231656 is an abundant number, since it is smaller than the sum of its proper divisors (168479544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109231656 is a wasteful number, since it uses less digits than its factorization.

109231656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77209 (or 77205 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 109231656 is about 10451.3949308214. The cubic root of 109231656 is about 478.0237845812.

The spelling of 109231656 in words is "one hundred nine million, two hundred thirty-one thousand, six hundred fifty-six".