232212431 has 12 divisors (see below), whose sum is σ = 256247376. Its totient is φ = 210270720.

The previous prime is 232212403. The next prime is 232212467. The reversal of 232212431 is 134212232.

It is a de Polignac number, because none of the positive numbers 2^k-232212431 is a prime.

It is a super-2 number, since 2×232212431² = 107845226221859522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28175 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (21353948).

Almost surely, 2^232212431 is an apocalyptic number.

232212431 is a deficient number, since it is larger than the sum of its proper divisors (24034945).

232212431 is a wasteful number, since it uses less digits than its factorization.

232212431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582 (or 7571 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 232212431 is about 15238.5180053705. The cubic root of 232212431 is about 614.6508525611.

Adding to 232212431 its reverse (134212232), we get a palindrome (366424663).

It can be divided in two parts, 23221 and 2431, that added together give a palindrome (25652).

The spelling of 232212431 in words is "two hundred thirty-two million, two hundred twelve thousand, four hundred thirty-one".