130612331 has 16 divisors (see below), whose sum is σ = 144519168. Its totient is φ = 117612000.

The previous prime is 130612301. The next prime is 130612373. The reversal of 130612331 is 133216031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130612331 - 2⁶ = 130612267 is a prime.

It is a super-2 number, since 2×130612331² = 34119162018507122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130612301) 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 15 ways as a sum of consecutive naturals, for example, 23906 + ... + 28856.

It is an arithmetic number, because the mean of its divisors is an integer number (9032448).

Almost surely, 2^130612331 is an apocalyptic number.

130612331 is a deficient number, since it is larger than the sum of its proper divisors (13906837).

130612331 is a wasteful number, since it uses less digits than its factorization.

130612331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 130612331 is about 11428.5751955351. The cubic root of 130612331 is about 507.3738267716.

Adding to 130612331 its reverse (133216031), we get a palindrome (263828362).

The spelling of 130612331 in words is "one hundred thirty million, six hundred twelve thousand, three hundred thirty-one".