31420012211322 has 16 divisors (see below), whose sum is σ = 71817170768832. Its totient is φ = 8977146346080.

The previous prime is 31420012211317. The next prime is 31420012211323. The reversal of 31420012211322 is 22311221002413.

It is a junction number, because it is equal to n+sod(n) for n = 31420012211292 and 31420012211301.

It is not an unprimeable number, because it can be changed into a prime (31420012211323) 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, 374047764379 + ... + 374047764462.

It is an arithmetic number, because the mean of its divisors is an integer number (4488573173052).

Almost surely, 2^{31420012211322} is an apocalyptic number.

31420012211322 is an abundant number, since it is smaller than the sum of its proper divisors (40397158557510).

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

31420012211322 is a wasteful number, since it uses less digits than its factorization.

31420012211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748095528853.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31420012211322 its reverse (22311221002413), we get a palindrome (53731233213735).

The spelling of 31420012211322 in words is "thirty-one trillion, four hundred twenty billion, twelve million, two hundred eleven thousand, three hundred twenty-two".