231132294 has 48 divisors (see below), whose sum is σ = 512248464. Its totient is φ = 75297600.

The previous prime is 231132287. The next prime is 231132299. The reversal of 231132294 is 492231132.

It is a happy number.

231132294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231132299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198157 + ... + 199319.

It is an arithmetic number, because the mean of its divisors is an integer number (10671843).

Almost surely, 2^231132294 is an apocalyptic number.

231132294 is an abundant number, since it is smaller than the sum of its proper divisors (281116170).

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

231132294 is a wasteful number, since it uses less digits than its factorization.

231132294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1410 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 231132294 is about 15203.0356837048. The cubic root of 231132294 is about 613.6963541559.

The spelling of 231132294 in words is "two hundred thirty-one million, one hundred thirty-two thousand, two hundred ninety-four".