313120222404281 has 2 divisors, whose sum is σ = 313120222404282. Its totient is φ = 313120222404280.

The previous prime is 313120222404211. The next prime is 313120222404419. The reversal of 313120222404281 is 182404222021313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205311643690000 + 107808578714281 = 14328700^2 + 10383091^2 .

It is a cyclic number.

It is not a de Polignac number, because 313120222404281 - 2¹⁰ = 313120222403257 is a prime.

It is a super-2 number, since 2×313120222404281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313120222404211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156560111202140 + 156560111202141.

It is an arithmetic number, because the mean of its divisors is an integer number (156560111202141).

Almost surely, 2^{313120222404281} is an apocalyptic number.

It is an amenable number.

313120222404281 is a deficient number, since it is larger than the sum of its proper divisors (1).

313120222404281 is an equidigital number, since it uses as much as digits as its factorization.

313120222404281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 313120222404281 its reverse (182404222021313), we get a palindrome (495524444425594).

The spelling of 313120222404281 in words is "three hundred thirteen trillion, one hundred twenty billion, two hundred twenty-two million, four hundred four thousand, two hundred eighty-one".