331102001213 has 2 divisors, whose sum is σ = 331102001214. Its totient is φ = 331102001212.

The previous prime is 331102001203. The next prime is 331102001233. The reversal of 331102001213 is 312100201133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327273238084 + 3828763129 = 572078^2 + 61877^2 .

It is a cyclic number.

It is not a de Polignac number, because 331102001213 - 2⁶ = 331102001149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331102001191 and 331102001200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331102001203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165551000606 + 165551000607.

It is an arithmetic number, because the mean of its divisors is an integer number (165551000607).

Almost surely, 2^331102001213 is an apocalyptic number.

It is an amenable number.

331102001213 is a deficient number, since it is larger than the sum of its proper divisors (1).

331102001213 is an equidigital number, since it uses as much as digits as its factorization.

331102001213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331102001213 its reverse (312100201133), we get a palindrome (643202202346).

The spelling of 331102001213 in words is "three hundred thirty-one billion, one hundred two million, one thousand, two hundred thirteen".