1012310203313 has 2 divisors, whose sum is σ = 1012310203314. Its totient is φ = 1012310203312.

The previous prime is 1012310203309. The next prime is 1012310203343. The reversal of 1012310203313 is 3133020132101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968358338704 + 43951864609 = 984052^2 + 209647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012310203313 - 2² = 1012310203309 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012310203343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506155101656 + 506155101657.

It is an arithmetic number, because the mean of its divisors is an integer number (506155101657).

Almost surely, 2^{1012310203313} is an apocalyptic number.

It is an amenable number.

1012310203313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012310203313 is an equidigital number, since it uses as much as digits as its factorization.

1012310203313 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 20.

Adding to 1012310203313 its reverse (3133020132101), we get a palindrome (4145330335414).

The spelling of 1012310203313 in words is "one trillion, twelve billion, three hundred ten million, two hundred three thousand, three hundred thirteen".