231909676 has 6 divisors (see below), whose sum is σ = 405841940. Its totient is φ = 115954836.

The previous prime is 231909661. The next prime is 231909679. The reversal of 231909676 is 676909132.

231909676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231909679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28988706 + ... + 28988713.

Almost surely, 2^231909676 is an apocalyptic number.

It is an amenable number.

231909676 is a deficient number, since it is larger than the sum of its proper divisors (173932264).

231909676 is a wasteful number, since it uses less digits than its factorization.

231909676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57977423 (or 57977421 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 231909676 is about 15228.5808925192. The cubic root of 231909676 is about 614.3836122734.

The spelling of 231909676 in words is "two hundred thirty-one million, nine hundred nine thousand, six hundred seventy-six".