130203243 has 24 divisors (see below), whose sum is σ = 195109200. Its totient is φ = 83571264.

The previous prime is 130203239. The next prime is 130203251. The reversal of 130203243 is 342302031.

It is not a de Polignac number, because 130203243 - 2² = 130203239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130203343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171621 + ... + 172377.

It is an arithmetic number, because the mean of its divisors is an integer number (8129550).

Almost surely, 2^130203243 is an apocalyptic number.

130203243 is a deficient number, since it is larger than the sum of its proper divisors (64905957).

130203243 is a wasteful number, since it uses less digits than its factorization.

130203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130203243 is about 11410.6635652796. The cubic root of 130203243 is about 506.8435613188.

Adding to 130203243 its reverse (342302031), we get a palindrome (472505274).

The spelling of 130203243 in words is "one hundred thirty million, two hundred three thousand, two hundred forty-three".