231372089 has 8 divisors (see below), whose sum is σ = 250290432. Its totient is φ = 212613840.

The previous prime is 231372079. The next prime is 231372131. The reversal of 231372089 is 980273132.

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

It is a cyclic number.

It is not a de Polignac number, because 231372089 - 2⁴ = 231372073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231372049) 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, 37007 + ... + 42804.

It is an arithmetic number, because the mean of its divisors is an integer number (31286304).

Almost surely, 2^231372089 is an apocalyptic number.

It is an amenable number.

231372089 is a deficient number, since it is larger than the sum of its proper divisors (18918343).

231372089 is a wasteful number, since it uses less digits than its factorization.

231372089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80047.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 231372089 is about 15210.9200576428. The cubic root of 231372089 is about 613.9085132500.

The spelling of 231372089 in words is "two hundred thirty-one million, three hundred seventy-two thousand, eighty-nine".