232631442 has 24 divisors (see below), whose sum is σ = 504977616. Its totient is φ = 77398776.

The previous prime is 232631431. The next prime is 232631449. The reversal of 232631442 is 244136232.

232631442 is a `hidden beast` number, since 23 + 2 + 631 + 4 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (232631449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1968 + ... + 21659.

It is an arithmetic number, because the mean of its divisors is an integer number (21040734).

Almost surely, 2^232631442 is an apocalyptic number.

232631442 is an abundant number, since it is smaller than the sum of its proper divisors (272346174).

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

232631442 is a wasteful number, since it uses less digits than its factorization.

232631442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24182 (or 24179 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 232631442 is about 15252.2602259468. The cubic root of 232631442 is about 615.0203284972.

Adding to 232631442 its reverse (244136232), we get a palindrome (476767674).

The spelling of 232631442 in words is "two hundred thirty-two million, six hundred thirty-one thousand, four hundred forty-two".