232131442252 has 6 divisors (see below), whose sum is σ = 406230023948. Its totient is φ = 116065721124.

The previous prime is 232131442201. The next prime is 232131442253. The reversal of 232131442252 is 252244131232.

It is a happy number.

It is a super-2 number, since 2×232131442252² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232131442253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29016430278 + ... + 29016430285.

Almost surely, 2^232131442252 is an apocalyptic number.

It is an amenable number.

232131442252 is a deficient number, since it is larger than the sum of its proper divisors (174098581696).

232131442252 is a wasteful number, since it uses less digits than its factorization.

232131442252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58032860567 (or 58032860565 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

Adding to 232131442252 its reverse (252244131232), we get a palindrome (484375573484).

The spelling of 232131442252 in words is "two hundred thirty-two billion, one hundred thirty-one million, four hundred forty-two thousand, two hundred fifty-two".