331302201098261 has 2 divisors, whose sum is σ = 331302201098262. Its totient is φ = 331302201098260.

The previous prime is 331302201098251. The next prime is 331302201098321. The reversal of 331302201098261 is 162890102203133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317432304556900 + 13869896541361 = 17816630^2 + 3724231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331302201098261 is a prime.

It is a super-2 number, since 2×331302201098261² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331302201098201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165651100549130 + 165651100549131.

It is an arithmetic number, because the mean of its divisors is an integer number (165651100549131).

Almost surely, 2^{331302201098261} is an apocalyptic number.

It is an amenable number.

331302201098261 is a deficient number, since it is larger than the sum of its proper divisors (1).

331302201098261 is an equidigital number, since it uses as much as digits as its factorization.

331302201098261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 331302201098261 in words is "three hundred thirty-one trillion, three hundred two billion, two hundred one million, ninety-eight thousand, two hundred sixty-one".