31120122031222 has 32 divisors (see below), whose sum is σ = 56244219310080. Its totient is φ = 12615525688320.

The previous prime is 31120122031213. The next prime is 31120122031261. The reversal of 31120122031222 is 22213022102113.

It is a junction number, because it is equal to n+sod(n) for n = 31120122031193 and 31120122031202.

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, 91087638 + ... + 91428649.

It is an arithmetic number, because the mean of its divisors is an integer number (1757631853440).

Almost surely, 2^{31120122031222} is an apocalyptic number.

31120122031222 is a deficient number, since it is larger than the sum of its proper divisors (25124097278858).

31120122031222 is a wasteful number, since it uses less digits than its factorization.

31120122031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182516956.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31120122031222 its reverse (22213022102113), we get a palindrome (53333144133335).

The spelling of 31120122031222 in words is "thirty-one trillion, one hundred twenty billion, one hundred twenty-two million, thirty-one thousand, two hundred twenty-two".