31032222113242 has 16 divisors (see below), whose sum is σ = 53200563356160. Its totient is φ = 13298906686608.

The previous prime is 31032222113203. The next prime is 31032222113323. The reversal of 31032222113242 is 24231122223013.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31032222113242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51110442 + ... + 51714037.

It is an arithmetic number, because the mean of its divisors is an integer number (3325035209760).

Almost surely, 2^{31032222113242} is an apocalyptic number.

31032222113242 is a deficient number, since it is larger than the sum of its proper divisors (22168341242918).

31032222113242 is a wasteful number, since it uses less digits than its factorization.

31032222113242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102846045.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31032222113242 its reverse (24231122223013), we get a palindrome (55263344336255).

The spelling of 31032222113242 in words is "thirty-one trillion, thirty-two billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred forty-two".