331130213221063 has 2 divisors, whose sum is σ = 331130213221064. Its totient is φ = 331130213221062.

The previous prime is 331130213221001. The next prime is 331130213221099. The reversal of 331130213221063 is 360122312031133.

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-331130213221063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331130213221763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565106610531 + 165565106610532.

It is an arithmetic number, because the mean of its divisors is an integer number (165565106610532).

Almost surely, 2^{331130213221063} is an apocalyptic number.

331130213221063 is a deficient number, since it is larger than the sum of its proper divisors (1).

331130213221063 is an equidigital number, since it uses as much as digits as its factorization.

331130213221063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 331130213221063 its reverse (360122312031133), we get a palindrome (691252525252196).

The spelling of 331130213221063 in words is "three hundred thirty-one trillion, one hundred thirty billion, two hundred thirteen million, two hundred twenty-one thousand, sixty-three".