331333440322741 has 2 divisors, whose sum is σ = 331333440322742. Its totient is φ = 331333440322740.

The previous prime is 331333440322733. The next prime is 331333440322763. The reversal of 331333440322741 is 147223044333133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257321573232516 + 74011867090225 = 16041246^2 + 8603015^2 .

It is an emirp because it is prime and its reverse (147223044333133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331333440322741 - 2³ = 331333440322733 is a prime.

It is a super-2 number, since 2×331333440322741² (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 (331333440328741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165666720161370 + 165666720161371.

It is an arithmetic number, because the mean of its divisors is an integer number (165666720161371).

Almost surely, 2^{331333440322741} is an apocalyptic number.

It is an amenable number.

331333440322741 is a deficient number, since it is larger than the sum of its proper divisors (1).

331333440322741 is an equidigital number, since it uses as much as digits as its factorization.

331333440322741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 43.

Adding to 331333440322741 its reverse (147223044333133), we get a palindrome (478556484655874).

The spelling of 331333440322741 in words is "three hundred thirty-one trillion, three hundred thirty-three billion, four hundred forty million, three hundred twenty-two thousand, seven hundred forty-one".