231609058 has 4 divisors (see below), whose sum is σ = 347413590. Its totient is φ = 115804528.

The previous prime is 231609047. The next prime is 231609073. The reversal of 231609058 is 850906132.

231609058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 220433409 + 11175649 = 14847^2 + 3343^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57902263 + ... + 57902266.

Almost surely, 2^231609058 is an apocalyptic number.

231609058 is a deficient number, since it is larger than the sum of its proper divisors (115804532).

231609058 is a wasteful number, since it uses less digits than its factorization.

231609058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115804531.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 231609058 is about 15218.7075009674. The cubic root of 231609058 is about 614.1180280765.

The spelling of 231609058 in words is "two hundred thirty-one million, six hundred nine thousand, fifty-eight".