313221332123 has 16 divisors (see below), whose sum is σ = 359846827200. Its totient is φ = 267069398400.

The previous prime is 313221332077. The next prime is 313221332141. The reversal of 313221332123 is 321233122313.

It is not a de Polignac number, because 313221332123 - 2¹² = 313221328027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313221332092 and 313221332101.

It is not an unprimeable number, because it can be changed into a prime (313221332153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876233 + ... + 1180773.

It is an arithmetic number, because the mean of its divisors is an integer number (22490426700).

Almost surely, 2^313221332123 is an apocalyptic number.

313221332123 is a deficient number, since it is larger than the sum of its proper divisors (46625495077).

313221332123 is a wasteful number, since it uses less digits than its factorization.

313221332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305318.

The product of its digits is 3888, while the sum is 26.

Adding to 313221332123 its reverse (321233122313), we get a palindrome (634454454436).

The spelling of 313221332123 in words is "three hundred thirteen billion, two hundred twenty-one million, three hundred thirty-two thousand, one hundred twenty-three".