331201032222989 has 2 divisors, whose sum is σ = 331201032222990. Its totient is φ = 331201032222988.

The previous prime is 331201032222899. The next prime is 331201032223067. The reversal of 331201032222989 is 989222230102133.

Together with previous prime (331201032222899) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202105033813225 + 129095998409764 = 14216365^2 + 11362042^2 .

It is a cyclic number.

It is not a de Polignac number, because 331201032222989 - 2¹² = 331201032218893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331201032222089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165600516111494 + 165600516111495.

It is an arithmetic number, because the mean of its divisors is an integer number (165600516111495).

Almost surely, 2^{331201032222989} is an apocalyptic number.

It is an amenable number.

331201032222989 is a deficient number, since it is larger than the sum of its proper divisors (1).

331201032222989 is an equidigital number, since it uses as much as digits as its factorization.

331201032222989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 331201032222989 in words is "three hundred thirty-one trillion, two hundred one billion, thirty-two million, two hundred twenty-two thousand, nine hundred eighty-nine".