130230991 has 8 divisors (see below), whose sum is σ = 148247424. Its totient is φ = 113244120.

The previous prime is 130230983. The next prime is 130231019. The reversal of 130230991 is 199032031.

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

It is not a de Polignac number, because 130230991 - 2³ = 130230983 is a prime.

It is a super-2 number, since 2×130230991² = 33920222033684162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130234991) 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, 257121 + ... + 257626.

It is an arithmetic number, because the mean of its divisors is an integer number (18530928).

Almost surely, 2^130230991 is an apocalyptic number.

130230991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130230991 is a deficient number, since it is larger than the sum of its proper divisors (18016433).

130230991 is a wasteful number, since it uses less digits than its factorization.

130230991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514781.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 130230991 is about 11411.8793807155. The cubic root of 130230991 is about 506.8795637405.

The spelling of 130230991 in words is "one hundred thirty million, two hundred thirty thousand, nine hundred ninety-one".