331420305463987 has 2 divisors, whose sum is σ = 331420305463988. Its totient is φ = 331420305463986.

The previous prime is 331420305463979. The next prime is 331420305463993. The reversal of 331420305463987 is 789364503024133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331420305463987 - 2³ = 331420305463979 is a prime.

It is not a weakly prime, because it can be changed into another prime (331420305469987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165710152731993 + 165710152731994.

It is an arithmetic number, because the mean of its divisors is an integer number (165710152731994).

It is a 1-persistent number, because it is pandigital, but 2⋅331420305463987 = 662840610927974 is not.

Almost surely, 2^{331420305463987} is an apocalyptic number.

331420305463987 is a deficient number, since it is larger than the sum of its proper divisors (1).

331420305463987 is an equidigital number, since it uses as much as digits as its factorization.

331420305463987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 331420305463987 in words is "three hundred thirty-one trillion, four hundred twenty billion, three hundred five million, four hundred sixty-three thousand, nine hundred eighty-seven".