130231391 has 8 divisors (see below), whose sum is σ = 133588224. Its totient is φ = 126889560.

The previous prime is 130231363. The next prime is 130231393. The reversal of 130231391 is 193132031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130231391 - 2¹⁰ = 130230367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15020 + ... + 22046.

It is an arithmetic number, because the mean of its divisors is an integer number (16698528).

Almost surely, 2^130231391 is an apocalyptic number.

130231391 is a deficient number, since it is larger than the sum of its proper divisors (3356833).

130231391 is an equidigital number, since it uses as much as digits as its factorization.

130231391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501.

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

The square root of 130231391 is about 11411.8969062991. The cubic root of 130231391 is about 506.8800826944.

The spelling of 130231391 in words is "one hundred thirty million, two hundred thirty-one thousand, three hundred ninety-one".