313302221093 has 2 divisors, whose sum is σ = 313302221094. Its totient is φ = 313302221092.

The previous prime is 313302220991. The next prime is 313302221117. The reversal of 313302221093 is 390122203313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158103254884 + 155198966209 = 397622^2 + 393953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313302221093 is a prime.

It is a super-2 number, since 2×313302221093² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313302221593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156651110546 + 156651110547.

It is an arithmetic number, because the mean of its divisors is an integer number (156651110547).

Almost surely, 2^313302221093 is an apocalyptic number.

It is an amenable number.

313302221093 is a deficient number, since it is larger than the sum of its proper divisors (1).

313302221093 is an equidigital number, since it uses as much as digits as its factorization.

313302221093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 313302221093 in words is "three hundred thirteen billion, three hundred two million, two hundred twenty-one thousand, ninety-three".