313021223311 has 2 divisors, whose sum is σ = 313021223312. Its totient is φ = 313021223310.

The previous prime is 313021223293. The next prime is 313021223321. The reversal of 313021223311 is 113322120313.

It is a strong prime.

It is an emirp because it is prime and its reverse (113322120313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313021223311 - 2¹¹ = 313021221263 is a prime.

It is a super-2 number, since 2×313021223311² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313021223321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156510611655 + 156510611656.

It is an arithmetic number, because the mean of its divisors is an integer number (156510611656).

Almost surely, 2^313021223311 is an apocalyptic number.

313021223311 is a deficient number, since it is larger than the sum of its proper divisors (1).

313021223311 is an equidigital number, since it uses as much as digits as its factorization.

313021223311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313021223311 its reverse (113322120313), we get a palindrome (426343343624).

The spelling of 313021223311 in words is "three hundred thirteen billion, twenty-one million, two hundred twenty-three thousand, three hundred eleven".