31322212101112 has 32 divisors (see below), whose sum is σ = 61855323408000. Its totient is φ = 14840186626144.

The previous prime is 31322212101097. The next prime is 31322212101119. The reversal of 31322212101112 is 21110121222313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322212101119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795444862 + ... + 795484237.

It is an arithmetic number, because the mean of its divisors is an integer number (1932978856500).

Almost surely, 2^{31322212101112} is an apocalyptic number.

It is an amenable number.

31322212101112 is a deficient number, since it is larger than the sum of its proper divisors (30533111306888).

31322212101112 is a wasteful number, since it uses less digits than its factorization.

31322212101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590929235 (or 1590929231 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 31322212101112 its reverse (21110121222313), we get a palindrome (52432333323425).

The spelling of 31322212101112 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred twelve million, one hundred one thousand, one hundred twelve".