232133131 has 2 divisors, whose sum is σ = 232133132. Its totient is φ = 232133130.

The previous prime is 232133129. The next prime is 232133137. The reversal of 232133131 is 131331232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232133131 - 2¹ = 232133129 is a prime.

It is a super-2 number, since 2×232133131² = 107771581015726322, which contains 22 as substring.

Together with 232133129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 232133099 and 232133108.

It is not a weakly prime, because it can be changed into another prime (232133137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116066565 + 116066566.

It is an arithmetic number, because the mean of its divisors is an integer number (116066566).

Almost surely, 2^232133131 is an apocalyptic number.

232133131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232133131 is an equidigital number, since it uses as much as digits as its factorization.

232133131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 19.

The square root of 232133131 is about 15235.9158241308. The cubic root of 232133131 is about 614.5808773207.

Adding to 232133131 its reverse (131331232), we get a palindrome (363464363).

The spelling of 232133131 in words is "two hundred thirty-two million, one hundred thirty-three thousand, one hundred thirty-one".