200131320313 has 2 divisors, whose sum is σ = 200131320314. Its totient is φ = 200131320312.

The previous prime is 200131320307. The next prime is 200131320359. The reversal of 200131320313 is 313023131002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199918977129 + 212343184 = 447123^2 + 14572^2 .

It is a cyclic number.

It is not a de Polignac number, because 200131320313 - 2²⁹ = 199594449401 is a prime.

It is not a weakly prime, because it can be changed into another prime (200131320913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100065660156 + 100065660157.

It is an arithmetic number, because the mean of its divisors is an integer number (100065660157).

Almost surely, 2^200131320313 is an apocalyptic number.

It is an amenable number.

200131320313 is a deficient number, since it is larger than the sum of its proper divisors (1).

200131320313 is an equidigital number, since it uses as much as digits as its factorization.

200131320313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 200131320313 its reverse (313023131002), we get a palindrome (513154451315).

The spelling of 200131320313 in words is "two hundred billion, one hundred thirty-one million, three hundred twenty thousand, three hundred thirteen".