313222303222331 has 2 divisors, whose sum is σ = 313222303222332. Its totient is φ = 313222303222330.

The previous prime is 313222303222307. The next prime is 313222303222343. The reversal of 313222303222331 is 133222303222313.

It is a strong prime.

It is an emirp because it is prime and its reverse (133222303222313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313222303222331 - 2⁶ = 313222303222267 is a prime.

It is a super-2 number, since 2×313222303222331² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313222303227331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156611151611165 + 156611151611166.

It is an arithmetic number, because the mean of its divisors is an integer number (156611151611166).

Almost surely, 2^{313222303222331} is an apocalyptic number.

313222303222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

313222303222331 is an equidigital number, since it uses as much as digits as its factorization.

313222303222331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 313222303222331 its reverse (133222303222313), we get a palindrome (446444606444644).

The spelling of 313222303222331 in words is "three hundred thirteen trillion, two hundred twenty-two billion, three hundred three million, two hundred twenty-two thousand, three hundred thirty-one".