130203313 has 4 divisors (see below), whose sum is σ = 130268788. Its totient is φ = 130137840.

The previous prime is 130203287. The next prime is 130203329. The reversal of 130203313 is 313302031.

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 41692849 + 88510464 = 6457^2 + 9408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130203313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130203343) 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, 29658 + ... + 33763.

It is an arithmetic number, because the mean of its divisors is an integer number (32567197).

Almost surely, 2^130203313 is an apocalyptic number.

It is an amenable number.

130203313 is a deficient number, since it is larger than the sum of its proper divisors (65475).

130203313 is an equidigital number, since it uses as much as digits as its factorization.

130203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65474.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 130203313 is about 11410.6666325855. Note that the first 4 decimals coincide. The cubic root of 130203313 is about 506.8436521487.

Adding to 130203313 its reverse (313302031), we get a palindrome (443505344).

The spelling of 130203313 in words is "one hundred thirty million, two hundred three thousand, three hundred thirteen".