20310313466273 has 2 divisors, whose sum is σ = 20310313466274. Its totient is φ = 20310313466272.

The previous prime is 20310313466227. The next prime is 20310313466341. The reversal of 20310313466273 is 37266431301302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18930400424464 + 1379913041809 = 4350908^2 + 1174697^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310313466273 - 2¹⁰ = 20310313465249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20310313466273.

It is not a weakly prime, because it can be changed into another prime (20310313466473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155156733136 + 10155156733137.

It is an arithmetic number, because the mean of its divisors is an integer number (10155156733137).

Almost surely, 2^{20310313466273} is an apocalyptic number.

It is an amenable number.

20310313466273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310313466273 is an equidigital number, since it uses as much as digits as its factorization.

20310313466273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 41.

Adding to 20310313466273 its reverse (37266431301302), we get a palindrome (57576744767575).

The spelling of 20310313466273 in words is "twenty trillion, three hundred ten billion, three hundred thirteen million, four hundred sixty-six thousand, two hundred seventy-three".