231344292 has 24 divisors (see below), whose sum is σ = 540276352. Its totient is φ = 77047200.

The previous prime is 231344291. The next prime is 231344317. The reversal of 231344292 is 292443132.

It is not an unprimeable number, because it can be changed into a prime (231344291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6942 + ... + 22602.

Almost surely, 2^231344292 is an apocalyptic number.

It is an amenable number.

231344292 is an abundant number, since it is smaller than the sum of its proper divisors (308932060).

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

231344292 is a wasteful number, since it uses less digits than its factorization.

231344292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16899 (or 16897 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 231344292 is about 15210.0063116358. The cubic root of 231344292 is about 613.8839273136.

The spelling of 231344292 in words is "two hundred thirty-one million, three hundred forty-four thousand, two hundred ninety-two".