130331330 has 16 divisors (see below), whose sum is σ = 234763704. Its totient is φ = 52095360.

The previous prime is 130331303. The next prime is 130331339. The reversal of 130331330 is 33133031.

It can be written as a sum of positive squares in 4 ways, for example, as 130210921 + 120409 = 11411^2 + 347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130331299 and 130331308.

It is not an unprimeable number, because it can be changed into a prime (130331339) 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 7 ways as a sum of consecutive naturals, for example, 13424 + ... + 20996.

Almost surely, 2^130331330 is an apocalyptic number.

130331330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130331330 is a deficient number, since it is larger than the sum of its proper divisors (104432374).

130331330 is a wasteful number, since it uses less digits than its factorization.

130331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 130331330 is about 11416.2747864617. The cubic root of 130331330 is about 507.0097087282.

Adding to 130331330 its reverse (33133031), we get a palindrome (163464361).

The spelling of 130331330 in words is "one hundred thirty million, three hundred thirty-one thousand, three hundred thirty".