232131332261 has 2 divisors, whose sum is σ = 232131332262. Its totient is φ = 232131332260.

The previous prime is 232131332249. The next prime is 232131332347. The reversal of 232131332261 is 162233131232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232121604100 + 9728161 = 481790^2 + 3119^2 .

It is a cyclic number.

It is not a de Polignac number, because 232131332261 - 2²⁶ = 232064223397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232131337261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116065666130 + 116065666131.

It is an arithmetic number, because the mean of its divisors is an integer number (116065666131).

Almost surely, 2^232131332261 is an apocalyptic number.

It is an amenable number.

232131332261 is a deficient number, since it is larger than the sum of its proper divisors (1).

232131332261 is an equidigital number, since it uses as much as digits as its factorization.

232131332261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

Adding to 232131332261 its reverse (162233131232), we get a palindrome (394364463493).

The spelling of 232131332261 in words is "two hundred thirty-two billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred sixty-one".