231552283 has 4 divisors (see below), whose sum is σ = 235921248. Its totient is φ = 227183320.

The previous prime is 231552271. The next prime is 231552287. The reversal of 231552283 is 382255132.

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

It is a cyclic number.

It is not a de Polignac number, because 231552283 - 2²⁵ = 197997851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231552287) 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, 2184403 + ... + 2184508.

It is an arithmetic number, because the mean of its divisors is an integer number (58980312).

Almost surely, 2^231552283 is an apocalyptic number.

231552283 is a deficient number, since it is larger than the sum of its proper divisors (4368965).

231552283 is an equidigital number, since it uses as much as digits as its factorization.

231552283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368964.

The product of its digits is 14400, while the sum is 31.

The square root of 231552283 is about 15216.8420836913. The cubic root of 231552283 is about 614.0678437980.

The spelling of 231552283 in words is "two hundred thirty-one million, five hundred fifty-two thousand, two hundred eighty-three".