13312020322 has 4 divisors (see below), whose sum is σ = 19968030486. Its totient is φ = 6656010160.

The previous prime is 13312020299. The next prime is 13312020347. The reversal of 13312020322 is 22302021331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22302021331 = 69259 ⋅322009.

It can be written as a sum of positive squares in only one way, i.e., 12352321881 + 959698441 = 111141^2 + 30979^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13312020322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328005079 + ... + 3328005082.

Almost surely, 2^13312020322 is an apocalyptic number.

13312020322 is a deficient number, since it is larger than the sum of its proper divisors (6656010164).

13312020322 is an equidigital number, since it uses as much as digits as its factorization.

13312020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656010163.

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

Adding to 13312020322 its reverse (22302021331), we get a palindrome (35614041653).

The spelling of 13312020322 in words is "thirteen billion, three hundred twelve million, twenty thousand, three hundred twenty-two".