130331321999 has 4 divisors (see below), whose sum is σ = 130334078640. Its totient is φ = 130328565360.

The previous prime is 130331321969. The next prime is 130331322007. The reversal of 130331321999 is 999123133031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130331321999 - 2²⁸ = 130062886543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331321969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306142 + ... + 1402379.

It is an arithmetic number, because the mean of its divisors is an integer number (32583519660).

Almost surely, 2^130331321999 is an apocalyptic number.

130331321999 is a deficient number, since it is larger than the sum of its proper divisors (2756641).

130331321999 is an equidigital number, since it uses as much as digits as its factorization.

130331321999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756640.

The product of its (nonzero) digits is 118098, while the sum is 44.

The spelling of 130331321999 in words is "one hundred thirty billion, three hundred thirty-one million, three hundred twenty-one thousand, nine hundred ninety-nine".