31103220322 has 8 divisors (see below), whose sum is σ = 46656567900. Its totient is φ = 15551031024.

The previous prime is 31103220319. The next prime is 31103220341. The reversal of 31103220322 is 22302230113.

It can be written as a sum of positive squares in 2 ways, for example, as 23808181401 + 7295038921 = 154299^2 + 85411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31103220322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218997 + ... + 331912.

Almost surely, 2^31103220322 is an apocalyptic number.

31103220322 is a deficient number, since it is larger than the sum of its proper divisors (15553347578).

31103220322 is a wasteful number, since it uses less digits than its factorization.

31103220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579140.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31103220322 its reverse (22302230113), we get a palindrome (53405450435).

The spelling of 31103220322 in words is "thirty-one billion, one hundred three million, two hundred twenty thousand, three hundred twenty-two".