13213043233 has 4 divisors (see below), whose sum is σ = 14229431188. Its totient is φ = 12196655280.

The previous prime is 13213043203. The next prime is 13213043257. The reversal of 13213043233 is 33234031231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33234031231 = 827 ⋅40186253.

It can be written as a sum of positive squares in 2 ways, for example, as 1956469824 + 11256573409 = 44232^2 + 106097^2 .

It is a cyclic number.

It is not a de Polignac number, because 13213043233 - 2⁵ = 13213043201 is a prime.

It is a super-2 number, since 2×13213043233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13213043198 and 13213043207.

It is not an unprimeable number, because it can be changed into a prime (13213043203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508193958 + ... + 508193983.

It is an arithmetic number, because the mean of its divisors is an integer number (3557357797).

Almost surely, 2^13213043233 is an apocalyptic number.

13213043233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13213043233 is a deficient number, since it is larger than the sum of its proper divisors (1016387955).

13213043233 is a wasteful number, since it uses less digits than its factorization.

13213043233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016387954.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13213043233 its reverse (33234031231), we get a palindrome (46447074464).

The spelling of 13213043233 in words is "thirteen billion, two hundred thirteen million, forty-three thousand, two hundred thirty-three".