331143334133377 has 2 divisors, whose sum is σ = 331143334133378. Its totient is φ = 331143334133376.

The previous prime is 331143334133369. The next prime is 331143334133389. The reversal of 331143334133377 is 773331433341133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252927546460416 + 78215787672961 = 15903696^2 + 8843969^2 .

It is a cyclic number.

It is not a de Polignac number, because 331143334133377 - 2³ = 331143334133369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331143334133377.

It is not a weakly prime, because it can be changed into another prime (331143334133357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165571667066688 + 165571667066689.

It is an arithmetic number, because the mean of its divisors is an integer number (165571667066689).

Almost surely, 2^{331143334133377} is an apocalyptic number.

It is an amenable number.

331143334133377 is a deficient number, since it is larger than the sum of its proper divisors (1).

331143334133377 is an equidigital number, since it uses as much as digits as its factorization.

331143334133377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 49.

The spelling of 331143334133377 in words is "three hundred thirty-one trillion, one hundred forty-three billion, three hundred thirty-four million, one hundred thirty-three thousand, three hundred seventy-seven".