331661484031 has 2 divisors, whose sum is σ = 331661484032. Its totient is φ = 331661484030.

The previous prime is 331661484023. The next prime is 331661484059. The reversal of 331661484031 is 130484166133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331661484031 - 2³ = 331661484023 is a prime.

It is a super-2 number, since 2×331661484031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331661481031) 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, 165830742015 + 165830742016.

It is an arithmetic number, because the mean of its divisors is an integer number (165830742016).

Almost surely, 2^331661484031 is an apocalyptic number.

331661484031 is a deficient number, since it is larger than the sum of its proper divisors (1).

331661484031 is an equidigital number, since it uses as much as digits as its factorization.

331661484031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 331661484031 in words is "three hundred thirty-one billion, six hundred sixty-one million, four hundred eighty-four thousand, thirty-one".