313322312231222 has 32 divisors (see below), whose sum is σ = 548794715400000. Its totient is φ = 134107276640064.

The previous prime is 313322312231219. The next prime is 313322312231267. The reversal of 313322312231222 is 222132213223313.

It is a super-2 number, since 2×313322312231222² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294901847 + ... + 295962402.

It is an arithmetic number, because the mean of its divisors is an integer number (17149834856250).

Almost surely, 2^{313322312231222} is an apocalyptic number.

313322312231222 is a deficient number, since it is larger than the sum of its proper divisors (235472403168778).

313322312231222 is an equidigital number, since it uses as much as digits as its factorization.

313322312231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590865045 (or 590865031 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

Adding to 313322312231222 its reverse (222132213223313), we get a palindrome (535454525454535).

The spelling of 313322312231222 in words is "three hundred thirteen trillion, three hundred twenty-two billion, three hundred twelve million, two hundred thirty-one thousand, two hundred twenty-two".