313213023222 has 24 divisors (see below), whose sum is σ = 688550945208. Its totient is φ = 94913037120.

The previous prime is 313213023203. The next prime is 313213023229. The reversal of 313213023222 is 222320312313.

It is a super-2 number, since 2×313213023222² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313213023192 and 313213023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313213023229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215710723 + ... + 215712174.

It is an arithmetic number, because the mean of its divisors is an integer number (28689622717).

Almost surely, 2^313213023222 is an apocalyptic number.

313213023222 is an abundant number, since it is smaller than the sum of its proper divisors (375337921986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313213023222 is a wasteful number, since it uses less digits than its factorization.

313213023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431422924 (or 431422913 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 313213023222 its reverse (222320312313), we get a palindrome (535533335535).

The spelling of 313213023222 in words is "three hundred thirteen billion, two hundred thirteen million, twenty-three thousand, two hundred twenty-two".