31322021122 has 16 divisors (see below), whose sum is σ = 53835098112. Its totient is φ = 13388672160.

The previous prime is 31322021119. The next prime is 31322021141. The reversal of 31322021122 is 22112022313.

It is a self number, because there is not a number n which added to its sum of digits gives 31322021122.

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, 2915379 + ... + 2926102.

It is an arithmetic number, because the mean of its divisors is an integer number (3364693632).

Almost surely, 2^31322021122 is an apocalyptic number.

31322021122 is a deficient number, since it is larger than the sum of its proper divisors (22513076990).

31322021122 is a wasteful number, since it uses less digits than its factorization.

31322021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841873.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31322021122 its reverse (22112022313), we get a palindrome (53434043435).

The spelling of 31322021122 in words is "thirty-one billion, three hundred twenty-two million, twenty-one thousand, one hundred twenty-two".