231130597 has 4 divisors (see below), whose sum is σ = 233727660. Its totient is φ = 228533536.

The previous prime is 231130591. The next prime is 231130607. The reversal of 231130597 is 795031132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123676641 + 107453956 = 11121^2 + 10366^2 .

It is a cyclic number.

It is not a de Polignac number, because 231130597 - 2⁷ = 231130469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231130591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298398 + ... + 1298575.

It is an arithmetic number, because the mean of its divisors is an integer number (58431915).

Almost surely, 2^231130597 is an apocalyptic number.

It is an amenable number.

231130597 is a deficient number, since it is larger than the sum of its proper divisors (2597063).

231130597 is an equidigital number, since it uses as much as digits as its factorization.

231130597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597062.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 231130597 is about 15202.9798723803. The cubic root of 231130597 is about 613.6948522091.

The spelling of 231130597 in words is "two hundred thirty-one million, one hundred thirty thousand, five hundred ninety-seven".