13013121322 has 4 divisors (see below), whose sum is σ = 19519681986. Its totient is φ = 6506560660.

The previous prime is 13013121301. The next prime is 13013121343. The reversal of 13013121322 is 22312131031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22312131031 = 113 ⋅197452487.

It is an interprime number because it is at equal distance from previous prime (13013121301) and next prime (13013121343).

It can be written as a sum of positive squares in only one way, i.e., 12982551481 + 30569841 = 113941^2 + 5529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13013121322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253280329 + ... + 3253280332.

Almost surely, 2^13013121322 is an apocalyptic number.

13013121322 is a deficient number, since it is larger than the sum of its proper divisors (6506560664).

13013121322 is an equidigital number, since it uses as much as digits as its factorization.

13013121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506560663.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13013121322 its reverse (22312131031), we get a palindrome (35325252353).

The spelling of 13013121322 in words is "thirteen billion, thirteen million, one hundred twenty-one thousand, three hundred twenty-two".