31120012210322 has 16 divisors (see below), whose sum is σ = 53348952722112. Its totient is φ = 13337057999760.

The previous prime is 31120012210297. The next prime is 31120012210351. The reversal of 31120012210322 is 22301221002113.

It is a junction number, because it is equal to n+sod(n) for n = 31120012210294 and 31120012210303.

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, 5339333 + ... + 9526200.

It is an arithmetic number, because the mean of its divisors is an integer number (3334309545132).

Almost surely, 2^{31120012210322} is an apocalyptic number.

31120012210322 is a deficient number, since it is larger than the sum of its proper divisors (22228940511790).

31120012210322 is a wasteful number, since it uses less digits than its factorization.

31120012210322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015073.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31120012210322 its reverse (22301221002113), we get a palindrome (53421233212435).

The spelling of 31120012210322 in words is "thirty-one trillion, one hundred twenty billion, twelve million, two hundred ten thousand, three hundred twenty-two".