31222111013322 has 32 divisors (see below), whose sum is σ = 63812213683200. Its totient is φ = 10179645278448.

The previous prime is 31222111013293. The next prime is 31222111013371. The reversal of 31222111013322 is 22331011122213.

It is a super-3 number, since 3×31222111013322³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 31222111013292 and 31222111013301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33736372 + ... + 34649487.

It is an arithmetic number, because the mean of its divisors is an integer number (1994131677600).

Almost surely, 2^{31222111013322} is an apocalyptic number.

31222111013322 is an abundant number, since it is smaller than the sum of its proper divisors (32590102669878).

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

31222111013322 is a wasteful number, since it uses less digits than its factorization.

31222111013322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68387530.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31222111013322 its reverse (22331011122213), we get a palindrome (53553122135535).

The spelling of 31222111013322 in words is "thirty-one trillion, two hundred twenty-two billion, one hundred eleven million, thirteen thousand, three hundred twenty-two".