232131430409 has 2 divisors, whose sum is σ = 232131430410. Its totient is φ = 232131430408.

The previous prime is 232131430403. The next prime is 232131430441. The reversal of 232131430409 is 904034131232.

It is an a-pointer prime, because the next prime (232131430441) can be obtained adding 232131430409 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203015127184 + 29116303225 = 450572^2 + 170635^2 .

It is a cyclic number.

It is not a de Polignac number, because 232131430409 - 2⁴ = 232131430393 is a prime.

It is not a weakly prime, because it can be changed into another prime (232131430403) 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, 116065715204 + 116065715205.

It is an arithmetic number, because the mean of its divisors is an integer number (116065715205).

Almost surely, 2^232131430409 is an apocalyptic number.

It is an amenable number.

232131430409 is a deficient number, since it is larger than the sum of its proper divisors (1).

232131430409 is an equidigital number, since it uses as much as digits as its factorization.

232131430409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 232131430409 in words is "two hundred thirty-two billion, one hundred thirty-one million, four hundred thirty thousand, four hundred nine".