231344274 has 32 divisors (see below), whose sum is σ = 529238016. Its totient is φ = 66042000.

The previous prime is 231344261. The next prime is 231344291. The reversal of 231344274 is 472443132.

It is a super-2 number, since 2×231344274² = 107040346225174152, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93319 + ... + 95765.

It is an arithmetic number, because the mean of its divisors is an integer number (16538688).

Almost surely, 2^231344274 is an apocalyptic number.

231344274 is an abundant number, since it is smaller than the sum of its proper divisors (297893742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231344274 is a wasteful number, since it uses less digits than its factorization.

231344274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710.

The product of its digits is 16128, while the sum is 30.

The square root of 231344274 is about 15210.0057199200. The cubic root of 231344274 is about 613.8839113923.

The spelling of 231344274 in words is "two hundred thirty-one million, three hundred forty-four thousand, two hundred seventy-four".