31301222211212 has 12 divisors (see below), whose sum is σ = 54855280299456. Its totient is φ = 15628284982800.

The previous prime is 31301222211209. The next prime is 31301222211229. The reversal of 31301222211212 is 21211222210313.

31301222211212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 5581527548 + ... + 5581533155.

It is an arithmetic number, because the mean of its divisors is an integer number (4571273358288).

Almost surely, 2^{31301222211212} is an apocalyptic number.

It is an amenable number.

31301222211212 is a deficient number, since it is larger than the sum of its proper divisors (23554058088244).

31301222211212 is a wasteful number, since it uses less digits than its factorization.

31301222211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163061408 (or 11163061406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31301222211212 its reverse (21211222210313), we get a palindrome (52512444421525).

The spelling of 31301222211212 in words is "thirty-one trillion, three hundred one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twelve".