303213331023013 has 2 divisors, whose sum is σ = 303213331023014. Its totient is φ = 303213331023012.

The previous prime is 303213331022947. The next prime is 303213331023017. The reversal of 303213331023013 is 310320133312303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157451124490209 + 145762206532804 = 12547953^2 + 12073202^2 .

It is a cyclic number.

It is not a de Polignac number, because 303213331023013 - 2⁹ = 303213331022501 is a prime.

It is a super-2 number, since 2×303213331023013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303213331023017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151606665511506 + 151606665511507.

It is an arithmetic number, because the mean of its divisors is an integer number (151606665511507).

Almost surely, 2^{303213331023013} is an apocalyptic number.

It is an amenable number.

303213331023013 is a deficient number, since it is larger than the sum of its proper divisors (1).

303213331023013 is an equidigital number, since it uses as much as digits as its factorization.

303213331023013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 303213331023013 its reverse (310320133312303), we get a palindrome (613533464335316).

The spelling of 303213331023013 in words is "three hundred three trillion, two hundred thirteen billion, three hundred thirty-one million, twenty-three thousand, thirteen".