201023310231313 has 2 divisors, whose sum is σ = 201023310231314. Its totient is φ = 201023310231312.

The previous prime is 201023310231287. The next prime is 201023310231347. The reversal of 201023310231313 is 313132013320102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193844833215489 + 7178477015824 = 13922817^2 + 2679268^2 .

It is a cyclic number.

It is not a de Polignac number, because 201023310231313 - 2³³ = 201014720296721 is a prime.

It is not a weakly prime, because it can be changed into another prime (201023310231113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511655115656 + 100511655115657.

It is an arithmetic number, because the mean of its divisors is an integer number (100511655115657).

Almost surely, 2^{201023310231313} is an apocalyptic number.

It is an amenable number.

201023310231313 is a deficient number, since it is larger than the sum of its proper divisors (1).

201023310231313 is an equidigital number, since it uses as much as digits as its factorization.

201023310231313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 201023310231313 its reverse (313132013320102), we get a palindrome (514155323551415).

The spelling of 201023310231313 in words is "two hundred one trillion, twenty-three billion, three hundred ten million, two hundred thirty-one thousand, three hundred thirteen".