130030349 has 4 divisors (see below), whose sum is σ = 130055964. Its totient is φ = 130004736.

The previous prime is 130030289. The next prime is 130030379. The reversal of 130030349 is 943030031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8369449 + 121660900 = 2893^2 + 11030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130030349 is a prime.

It is a super-2 number, since 2×130030349² = 33815783322123602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130030379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (32513991).

Almost surely, 2^130030349 is an apocalyptic number.

It is an amenable number.

130030349 is a deficient number, since it is larger than the sum of its proper divisors (25615).

130030349 is an equidigital number, since it uses as much as digits as its factorization.

130030349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25614.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 130030349 is about 11403.0850650164. The cubic root of 130030349 is about 506.6191198361.

The spelling of 130030349 in words is "one hundred thirty million, thirty thousand, three hundred forty-nine".