31223310122 has 8 divisors (see below), whose sum is σ = 46846099872. Its totient is φ = 15607943500.

The previous prime is 31223310119. The next prime is 31223310163. The reversal of 31223310122 is 22101332213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31223310094 and 31223310103.

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, 1845254 + ... + 1862097.

It is an arithmetic number, because the mean of its divisors is an integer number (5855762484).

Almost surely, 2^31223310122 is an apocalyptic number.

31223310122 is a deficient number, since it is larger than the sum of its proper divisors (15622789750).

31223310122 is a wasteful number, since it uses less digits than its factorization.

31223310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711564.

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

Adding to 31223310122 its reverse (22101332213), we get a palindrome (53324642335).

The spelling of 31223310122 in words is "thirty-one billion, two hundred twenty-three million, three hundred ten thousand, one hundred twenty-two".