130331291 has 2 divisors, whose sum is σ = 130331292. Its totient is φ = 130331290.

The previous prime is 130331263. The next prime is 130331303. The reversal of 130331291 is 192133031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130331291 - 2²² = 126136987 is a prime.

It is not a weakly prime, because it can be changed into another prime (130301291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165645 + 65165646.

It is an arithmetic number, because the mean of its divisors is an integer number (65165646).

Almost surely, 2^130331291 is an apocalyptic number.

130331291 is a deficient number, since it is larger than the sum of its proper divisors (1).

130331291 is an equidigital number, since it uses as much as digits as its factorization.

130331291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 130331291 is about 11416.2730783737. The cubic root of 130331291 is about 507.0096581561.

The spelling of 130331291 in words is "one hundred thirty million, three hundred thirty-one thousand, two hundred ninety-one".