313221899141 has 2 divisors, whose sum is σ = 313221899142. Its totient is φ = 313221899140.

The previous prime is 313221899093. The next prime is 313221899171. The reversal of 313221899141 is 141998122313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301192416100 + 12029483041 = 548810^2 + 109679^2 .

It is a cyclic number.

It is not a de Polignac number, because 313221899141 - 2⁶ = 313221899077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313221899092 and 313221899101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313221899171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610949570 + 156610949571.

It is an arithmetic number, because the mean of its divisors is an integer number (156610949571).

Almost surely, 2^313221899141 is an apocalyptic number.

It is an amenable number.

313221899141 is a deficient number, since it is larger than the sum of its proper divisors (1).

313221899141 is an equidigital number, since it uses as much as digits as its factorization.

313221899141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 44.

The spelling of 313221899141 in words is "three hundred thirteen billion, two hundred twenty-one million, eight hundred ninety-nine thousand, one hundred forty-one".