130243361 has 4 divisors (see below), whose sum is σ = 130401300. Its totient is φ = 130085424.

The previous prime is 130243339. The next prime is 130243391. The reversal of 130243361 is 163342031.

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 34810000 + 95433361 = 5900^2 + 9769^2 .

It is a cyclic number.

It is not a de Polignac number, because 130243361 - 2¹⁰ = 130242337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130243301) 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, 77726 + ... + 79383.

It is an arithmetic number, because the mean of its divisors is an integer number (32600325).

Almost surely, 2^130243361 is an apocalyptic number.

It is an amenable number.

130243361 is a deficient number, since it is larger than the sum of its proper divisors (157939).

130243361 is an equidigital number, since it uses as much as digits as its factorization.

130243361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157938.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 130243361 is about 11412.4213469360. The cubic root of 130243361 is about 506.8956118963.

Adding to 130243361 its reverse (163342031), we get a palindrome (293585392).

The spelling of 130243361 in words is "one hundred thirty million, two hundred forty-three thousand, three hundred sixty-one".