31112021301322 has 16 divisors (see below), whose sum is σ = 50419481478912. Its totient is φ = 14313222756720.

The previous prime is 31112021301227. The next prime is 31112021301329. The reversal of 31112021301322 is 22310312021113.

It is a junction number, because it is equal to n+sod(n) for n = 31112021301293 and 31112021301302.

It is not an unprimeable number, because it can be changed into a prime (31112021301329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923812178 + ... + 1923828349.

It is an arithmetic number, because the mean of its divisors is an integer number (3151217592432).

Almost surely, 2^{31112021301322} is an apocalyptic number.

31112021301322 is a deficient number, since it is larger than the sum of its proper divisors (19307460177590).

31112021301322 is a wasteful number, since it uses less digits than its factorization.

31112021301322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847640853.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31112021301322 its reverse (22310312021113), we get a palindrome (53422333322435).

The spelling of 31112021301322 in words is "thirty-one trillion, one hundred twelve billion, twenty-one million, three hundred one thousand, three hundred twenty-two".