31301112213222 has 96 divisors (see below), whose sum is σ = 66449894883840. Its totient is φ = 9810930412800.

The previous prime is 31301112213179. The next prime is 31301112213233. The reversal of 31301112213222 is 22231221110313.

It is a junction number, because it is equal to n+sod(n) for n = 31301112213192 and 31301112213201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 964846522 + ... + 964878962.

It is an arithmetic number, because the mean of its divisors is an integer number (692186405040).

Almost surely, 2^{31301112213222} is an apocalyptic number.

31301112213222 is an abundant number, since it is smaller than the sum of its proper divisors (35148782670618).

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

31301112213222 is a wasteful number, since it uses less digits than its factorization.

31301112213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34470 (or 34409 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31301112213222 its reverse (22231221110313), we get a palindrome (53532333323535).

The spelling of 31301112213222 in words is "thirty-one trillion, three hundred one billion, one hundred twelve million, two hundred thirteen thousand, two hundred twenty-two".