13312031222 has 32 divisors (see below), whose sum is σ = 23588474880. Its totient is φ = 5513689440.

The previous prime is 13312031219. The next prime is 13312031267. The reversal of 13312031222 is 22213021331.

It is a super-3 number, since 3×13312031222³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13312031194 and 13312031203.

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, 308279 + ... + 348797.

It is an arithmetic number, because the mean of its divisors is an integer number (737139840).

Almost surely, 2^13312031222 is an apocalyptic number.

13312031222 is a deficient number, since it is larger than the sum of its proper divisors (10276443658).

13312031222 is a wasteful number, since it uses less digits than its factorization.

13312031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41316.

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

Adding to 13312031222 its reverse (22213021331), we get a palindrome (35525052553).

The spelling of 13312031222 in words is "thirteen billion, three hundred twelve million, thirty-one thousand, two hundred twenty-two".