130030391 has 2 divisors, whose sum is σ = 130030392. Its totient is φ = 130030390.

The previous prime is 130030379. The next prime is 130030421. The reversal of 130030391 is 193030031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130030391 is a prime.

It is a super-2 number, since 2×130030391² = 33815805167225762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130030991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015195 + 65015196.

It is an arithmetic number, because the mean of its divisors is an integer number (65015196).

Almost surely, 2^130030391 is an apocalyptic number.

130030391 is a deficient number, since it is larger than the sum of its proper divisors (1).

130030391 is an equidigital number, since it uses as much as digits as its factorization.

130030391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 130030391 is about 11403.0869066231. The cubic root of 130030391 is about 506.6191743823.

The spelling of 130030391 in words is "one hundred thirty million, thirty thousand, three hundred ninety-one".