13321131113 has 2 divisors, whose sum is σ = 13321131114. Its totient is φ = 13321131112.

The previous prime is 13321131107. The next prime is 13321131137. The reversal of 13321131113 is 31113112331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12820579984 + 500551129 = 113228^2 + 22373^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321131113 - 2¹⁸ = 13320868969 is a prime.

It is not a weakly prime, because it can be changed into another prime (13321131163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660565556 + 6660565557.

It is an arithmetic number, because the mean of its divisors is an integer number (6660565557).

Almost surely, 2^13321131113 is an apocalyptic number.

It is an amenable number.

13321131113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321131113 is an equidigital number, since it uses as much as digits as its factorization.

13321131113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 20.

Adding to 13321131113 its reverse (31113112331), we get a palindrome (44434243444).

The spelling of 13321131113 in words is "thirteen billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred thirteen".