13112332213 has 4 divisors (see below), whose sum is σ = 13113174880. Its totient is φ = 13111489548.

The previous prime is 13112332183. The next prime is 13112332243. The reversal of 13112332213 is 31223321131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31223321131 = 5231 ⋅5968901.

It is an interprime number because it is at equal distance from previous prime (13112332183) and next prime (13112332243).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13112332213 is a prime.

It is a super-3 number, since 3×13112332213³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112332243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397545 + ... + 429262.

It is an arithmetic number, because the mean of its divisors is an integer number (3278293720).

Almost surely, 2^13112332213 is an apocalyptic number.

It is an amenable number.

13112332213 is a deficient number, since it is larger than the sum of its proper divisors (842667).

13112332213 is an equidigital number, since it uses as much as digits as its factorization.

13112332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842666.

The product of its digits is 648, while the sum is 22.

Adding to 13112332213 its reverse (31223321131), we get a palindrome (44335653344).

The spelling of 13112332213 in words is "thirteen billion, one hundred twelve million, three hundred thirty-two thousand, two hundred thirteen".