130521310391 has 2 divisors, whose sum is σ = 130521310392. Its totient is φ = 130521310390.

The previous prime is 130521310357. The next prime is 130521310421. The reversal of 130521310391 is 193013125031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130521310391 - 2⁶ = 130521310327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130521310321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65260655195 + 65260655196.

It is an arithmetic number, because the mean of its divisors is an integer number (65260655196).

Almost surely, 2^130521310391 is an apocalyptic number.

130521310391 is a deficient number, since it is larger than the sum of its proper divisors (1).

130521310391 is an equidigital number, since it uses as much as digits as its factorization.

130521310391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The spelling of 130521310391 in words is "one hundred thirty billion, five hundred twenty-one million, three hundred ten thousand, three hundred ninety-one".