331311054427 has 2 divisors, whose sum is σ = 331311054428. Its totient is φ = 331311054426.

The previous prime is 331311054407. The next prime is 331311054479. The reversal of 331311054427 is 724450113133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331311054427 - 2¹⁹ = 331310530139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331311054392 and 331311054401.

It is not a weakly prime, because it can be changed into another prime (331311054407) 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, 165655527213 + 165655527214.

It is an arithmetic number, because the mean of its divisors is an integer number (165655527214).

Almost surely, 2^331311054427 is an apocalyptic number.

331311054427 is a deficient number, since it is larger than the sum of its proper divisors (1).

331311054427 is an equidigital number, since it uses as much as digits as its factorization.

331311054427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 331311054427 in words is "three hundred thirty-one billion, three hundred eleven million, fifty-four thousand, four hundred twenty-seven".