313122003122 has 4 divisors (see below), whose sum is σ = 469683004686. Its totient is φ = 156561001560.

The previous prime is 313122003109. The next prime is 313122003133. The reversal of 313122003122 is 221300221313.

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., 288767591641 + 24354411481 = 537371^2 + 156059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313122003094 and 313122003103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78280500779 + ... + 78280500782.

Almost surely, 2^313122003122 is an apocalyptic number.

313122003122 is a deficient number, since it is larger than the sum of its proper divisors (156561001564).

313122003122 is a wasteful number, since it uses less digits than its factorization.

313122003122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156561001563.

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

Adding to 313122003122 its reverse (221300221313), we get a palindrome (534422224435).

The spelling of 313122003122 in words is "three hundred thirteen billion, one hundred twenty-two million, three thousand, one hundred twenty-two".