13120320322 has 8 divisors (see below), whose sum is σ = 19681124796. Its totient is φ = 6559945392.

The previous prime is 13120320319. The next prime is 13120320373. The reversal of 13120320322 is 22302302131.

It can be written as a sum of positive squares in 2 ways, for example, as 13087131201 + 33189121 = 114399^2 + 5761^2 .

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

It is a super-3 number, since 3×13120320322³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13120320322.

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, 15193 + ... + 162700.

Almost surely, 2^13120320322 is an apocalyptic number.

13120320322 is a deficient number, since it is larger than the sum of its proper divisors (6560804474).

13120320322 is a wasteful number, since it uses less digits than its factorization.

13120320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214772.

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

Adding to 13120320322 its reverse (22302302131), we get a palindrome (35422622453).

It can be divided in two parts, 131203 and 20322, that added together give a triangular number (151525 = T₅₅₀).

The spelling of 13120320322 in words is "thirteen billion, one hundred twenty million, three hundred twenty thousand, three hundred twenty-two".