232002131 has 2 divisors, whose sum is σ = 232002132. Its totient is φ = 232002130.

The previous prime is 232002107. The next prime is 232002143. The reversal of 232002131 is 131200232.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232002131 is a prime.

It is a super-2 number, since 2×232002131² = 107649977577082322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (232002191) 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, 116001065 + 116001066.

It is an arithmetic number, because the mean of its divisors is an integer number (116001066).

Almost surely, 2^232002131 is an apocalyptic number.

232002131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232002131 is an equidigital number, since it uses as much as digits as its factorization.

232002131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 232002131 is about 15231.6161650693. The cubic root of 232002131 is about 614.4652464840.

Adding to 232002131 its reverse (131200232), we get a palindrome (363202363).

The spelling of 232002131 in words is "two hundred thirty-two million, two thousand, one hundred thirty-one".