313122212241122 has 4 divisors (see below), whose sum is σ = 469683318361686. Its totient is φ = 156561106120560.

The previous prime is 313122212241121. The next prime is 313122212241161. The reversal of 313122212241122 is 221142212221313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 294835308051361 + 18286904189761 = 17170769^2 + 4276319^2 .

It is not an unprimeable number, because it can be changed into a prime (313122212241121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78280553060279 + ... + 78280553060282.

Almost surely, 2^{313122212241122} is an apocalyptic number.

313122212241122 is a deficient number, since it is larger than the sum of its proper divisors (156561106120564).

313122212241122 is a wasteful number, since it uses less digits than its factorization.

313122212241122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156561106120563.

The product of its digits is 4608, while the sum is 29.

Adding to 313122212241122 its reverse (221142212221313), we get a palindrome (534264424462435).

The spelling of 313122212241122 in words is "three hundred thirteen trillion, one hundred twenty-two billion, two hundred twelve million, two hundred forty-one thousand, one hundred twenty-two".