20310031322 has 16 divisors (see below), whose sum is σ = 35557989120. Its totient is φ = 8519101008.

The previous prime is 20310031307. The next prime is 20310031351. The reversal of 20310031322 is 22313001302.

It is a self number, because there is not a number n which added to its sum of digits gives 20310031322.

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, 15432497 + ... + 15433812.

It is an arithmetic number, because the mean of its divisors is an integer number (2222374320).

Almost surely, 2^20310031322 is an apocalyptic number.

20310031322 is a deficient number, since it is larger than the sum of its proper divisors (15247957798).

20310031322 is a wasteful number, since it uses less digits than its factorization.

20310031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30866365.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20310031322 its reverse (22313001302), we get a palindrome (42623032624).

The spelling of 20310031322 in words is "twenty billion, three hundred ten million, thirty-one thousand, three hundred twenty-two".