130020331 has 16 divisors (see below), whose sum is σ = 153045760. Its totient is φ = 108125280.

The previous prime is 130020313. The next prime is 130020337. The reversal of 130020331 is 133020031.

It is a cyclic number.

It is not a de Polignac number, because 130020331 - 2⁷ = 130020203 is a prime.

It is a super-2 number, since 2×130020331² = 33810572946699122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130020337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159916 + ... + 160726.

It is an arithmetic number, because the mean of its divisors is an integer number (9565360).

Almost surely, 2^130020331 is an apocalyptic number.

130020331 is a deficient number, since it is larger than the sum of its proper divisors (23025429).

130020331 is an equidigital number, since it uses as much as digits as its factorization.

130020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 130020331 is about 11402.6457894648. The cubic root of 130020331 is about 506.6061089231.

Adding to 130020331 its reverse (133020031), we get a palindrome (263040362).

The spelling of 130020331 in words is "one hundred thirty million, twenty thousand, three hundred thirty-one".