313012221211 has 2 divisors, whose sum is σ = 313012221212. Its totient is φ = 313012221210.

The previous prime is 313012221187. The next prime is 313012221283. The reversal of 313012221211 is 112122210313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313012221211 - 2¹⁵ = 313012188443 is a prime.

It is not a weakly prime, because it can be changed into another prime (313012921211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506110605 + 156506110606.

It is an arithmetic number, because the mean of its divisors is an integer number (156506110606).

Almost surely, 2^313012221211 is an apocalyptic number.

313012221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

313012221211 is an equidigital number, since it uses as much as digits as its factorization.

313012221211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 313012221211 its reverse (112122210313), we get a palindrome (425134431524).

The spelling of 313012221211 in words is "three hundred thirteen billion, twelve million, two hundred twenty-one thousand, two hundred eleven".