231144874 has 16 divisors (see below), whose sum is σ = 351519840. Its totient is φ = 113976720.

The previous prime is 231144857. The next prime is 231144923. The reversal of 231144874 is 478441132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141784 + ... + 143404.

It is an arithmetic number, because the mean of its divisors is an integer number (21969990).

Almost surely, 2^231144874 is an apocalyptic number.

231144874 is a deficient number, since it is larger than the sum of its proper divisors (120374966).

231144874 is a wasteful number, since it uses less digits than its factorization.

231144874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565.

The product of its digits is 21504, while the sum is 34.

The square root of 231144874 is about 15203.4494112356. The cubic root of 231144874 is about 613.7074879817.

The spelling of 231144874 in words is "two hundred thirty-one million, one hundred forty-four thousand, eight hundred seventy-four".