310211320102081 has 2 divisors, whose sum is σ = 310211320102082. Its totient is φ = 310211320102080.

The previous prime is 310211320102009. The next prime is 310211320102087. The reversal of 310211320102081 is 180201023112013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257851624102081 + 52359696000000 = 16057759^2 + 7236000^2 .

It is a cyclic number.

It is not a de Polignac number, because 310211320102081 - 2⁴³ = 301415227079873 is a prime.

It is a super-2 number, since 2×310211320102081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (310211320102087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155105660051040 + 155105660051041.

It is an arithmetic number, because the mean of its divisors is an integer number (155105660051041).

Almost surely, 2^{310211320102081} is an apocalyptic number.

It is an amenable number.

310211320102081 is a deficient number, since it is larger than the sum of its proper divisors (1).

310211320102081 is an equidigital number, since it uses as much as digits as its factorization.

310211320102081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 310211320102081 its reverse (180201023112013), we get a palindrome (490412343214094).

The spelling of 310211320102081 in words is "three hundred ten trillion, two hundred eleven billion, three hundred twenty million, one hundred two thousand, eighty-one".