201311231032313 has 2 divisors, whose sum is σ = 201311231032314. Its totient is φ = 201311231032312.

The previous prime is 201311231032297. The next prime is 201311231032319. The reversal of 201311231032313 is 313230132113102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200384493652729 + 926737379584 = 14155723^2 + 962672^2 .

It is a cyclic number.

It is not a de Polignac number, because 201311231032313 - 2⁴ = 201311231032297 is a prime.

It is not a weakly prime, because it can be changed into another prime (201311231032319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100655615516156 + 100655615516157.

It is an arithmetic number, because the mean of its divisors is an integer number (100655615516157).

Almost surely, 2^{201311231032313} is an apocalyptic number.

It is an amenable number.

201311231032313 is a deficient number, since it is larger than the sum of its proper divisors (1).

201311231032313 is an equidigital number, since it uses as much as digits as its factorization.

201311231032313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 201311231032313 its reverse (313230132113102), we get a palindrome (514541363145415).

The spelling of 201311231032313 in words is "two hundred one trillion, three hundred eleven billion, two hundred thirty-one million, thirty-two thousand, three hundred thirteen".