130311331 has 4 divisors (see below), whose sum is σ = 130594464. Its totient is φ = 130028200.

The previous prime is 130311323. The next prime is 130311343. The reversal of 130311331 is 133113031.

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 130311331 - 2³ = 130311323 is a prime.

It is a super-2 number, since 2×130311331² = 33962085973983122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130311361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140875 + ... + 141796.

It is an arithmetic number, because the mean of its divisors is an integer number (32648616).

Almost surely, 2^130311331 is an apocalyptic number.

130311331 is a deficient number, since it is larger than the sum of its proper divisors (283133).

130311331 is an equidigital number, since it uses as much as digits as its factorization.

130311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283132.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 130311331 is about 11415.3988541794. The cubic root of 130311331 is about 506.9837742993.

Adding to 130311331 its reverse (133113031), we get a palindrome (263424362).

The spelling of 130311331 in words is "one hundred thirty million, three hundred eleven thousand, three hundred thirty-one".