31122422422112 has 24 divisors (see below), whose sum is σ = 70025450450256. Its totient is φ = 13338181037952.

The previous prime is 31122422422099. The next prime is 31122422422123. The reversal of 31122422422112 is 21122422422113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69469692683 + ... + 69469693130.

It is an arithmetic number, because the mean of its divisors is an integer number (2917727102094).

Almost surely, 2^{31122422422112} is an apocalyptic number.

31122422422112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31122422422112 is an abundant number, since it is smaller than the sum of its proper divisors (38903028028144).

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

31122422422112 is a wasteful number, since it uses less digits than its factorization.

31122422422112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138939385830 (or 138939385822 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 31122422422112 its reverse (21122422422113), we get a palindrome (52244844844225).

Subtracting from 31122422422112 its reverse (21122422422113), we obtain a palindrome (9999999999999).

The spelling of 31122422422112 in words is "thirty-one trillion, one hundred twenty-two billion, four hundred twenty-two million, four hundred twenty-two thousand, one hundred twelve".