331432211213 has 2 divisors, whose sum is σ = 331432211214. Its totient is φ = 331432211212.

The previous prime is 331432211179. The next prime is 331432211239. The reversal of 331432211213 is 312112234133.

It is a happy number.

It is an a-pointer prime, because the next prime (331432211239) can be obtained adding 331432211213 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181819518409 + 149612692804 = 426403^2 + 386798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331432211213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331432211113) 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 as a sum of consecutive naturals, namely, 165716105606 + 165716105607.

It is an arithmetic number, because the mean of its divisors is an integer number (165716105607).

Almost surely, 2^331432211213 is an apocalyptic number.

It is an amenable number.

331432211213 is a deficient number, since it is larger than the sum of its proper divisors (1).

331432211213 is an equidigital number, since it uses as much as digits as its factorization.

331432211213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

Adding to 331432211213 its reverse (312112234133), we get a palindrome (643544445346).

The spelling of 331432211213 in words is "three hundred thirty-one billion, four hundred thirty-two million, two hundred eleven thousand, two hundred thirteen".