313221032122 has 64 divisors (see below), whose sum is σ = 493858944000. Its totient is φ = 148819991040.

The previous prime is 313221032087. The next prime is 313221032141. The reversal of 313221032122 is 221230122313.

It is a junction number, because it is equal to n+sod(n) for n = 313221032093 and 313221032102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479664348 + ... + 479665000.

It is an arithmetic number, because the mean of its divisors is an integer number (7716546000).

Almost surely, 2^313221032122 is an apocalyptic number.

313221032122 is a deficient number, since it is larger than the sum of its proper divisors (180637911878).

313221032122 is a wasteful number, since it uses less digits than its factorization.

313221032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 313221032122 its reverse (221230122313), we get a palindrome (534451154435).

The spelling of 313221032122 in words is "three hundred thirteen billion, two hundred twenty-one million, thirty-two thousand, one hundred twenty-two".