231609670 has 8 divisors (see below), whose sum is σ = 416897424. Its totient is φ = 92643864.

The previous prime is 231609667. The next prime is 231609691. The reversal of 231609670 is 76906132.

231609670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11580474 + ... + 11580493.

It is an arithmetic number, because the mean of its divisors is an integer number (52112178).

Almost surely, 2^231609670 is an apocalyptic number.

231609670 is a deficient number, since it is larger than the sum of its proper divisors (185287754).

231609670 is a wasteful number, since it uses less digits than its factorization.

231609670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23160974.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 231609670 is about 15218.7276077864. The cubic root of 231609670 is about 614.1185689878.

The spelling of 231609670 in words is "two hundred thirty-one million, six hundred nine thousand, six hundred seventy".