130311999 has 12 divisors (see below), whose sum is σ = 188596512. Its totient is φ = 86704800.

The previous prime is 130311991. The next prime is 130312019. The reversal of 130311999 is 999113031.

It is not a de Polignac number, because 130311999 - 2³ = 130311991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130311991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9207 + ... + 18584.

It is an arithmetic number, because the mean of its divisors is an integer number (15716376).

Almost surely, 2^130311999 is an apocalyptic number.

130311999 is a deficient number, since it is larger than the sum of its proper divisors (58284513).

130311999 is a wasteful number, since it uses less digits than its factorization.

130311999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28318 (or 28315 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

The square root of 130311999 is about 11415.4281128655. The cubic root of 130311999 is about 506.9846405954.

The spelling of 130311999 in words is "one hundred thirty million, three hundred eleven thousand, nine hundred ninety-nine".