313301220122 has 12 divisors (see below), whose sum is σ = 516558623658. Its totient is φ = 142409645400.

The previous prime is 313301220059. The next prime is 313301220137. The reversal of 313301220122 is 221022103313.

It can be written as a sum of positive squares in only one way, i.e., 270357361681 + 42943858441 = 519959^2 + 207229^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313301220094 and 313301220103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 647316329 + ... + 647316812.

Almost surely, 2^313301220122 is an apocalyptic number.

313301220122 is a deficient number, since it is larger than the sum of its proper divisors (203257403536).

313301220122 is a wasteful number, since it uses less digits than its factorization.

313301220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294633165 (or 1294633154 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313301220122 its reverse (221022103313), we get a palindrome (534323323435).

The spelling of 313301220122 in words is "three hundred thirteen billion, three hundred one million, two hundred twenty thousand, one hundred twenty-two".