13412431213 has 4 divisors (see below), whose sum is σ = 13412863548. Its totient is φ = 13411998880.

The previous prime is 13412431211. The next prime is 13412431243. The reversal of 13412431213 is 31213421431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31213421431 = 1459 ⋅21393709.

It can be written as a sum of positive squares in 2 ways, for example, as 5555913444 + 7856517769 = 74538^2 + 88637^2 .

It is a cyclic number.

It is not a de Polignac number, because 13412431213 - 2¹ = 13412431211 is a prime.

It is a super-2 number, since 2×13412431213² (a number of 21 digits) contains 22 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 (13412431211) 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, 165706 + ... + 232987.

It is an arithmetic number, because the mean of its divisors is an integer number (3353215887).

Almost surely, 2^13412431213 is an apocalyptic number.

It is an amenable number.

13412431213 is a deficient number, since it is larger than the sum of its proper divisors (432335).

13412431213 is an equidigital number, since it uses as much as digits as its factorization.

13412431213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432334.

The product of its digits is 1728, while the sum is 25.

Adding to 13412431213 its reverse (31213421431), we get a palindrome (44625852644).

The spelling of 13412431213 in words is "thirteen billion, four hundred twelve million, four hundred thirty-one thousand, two hundred thirteen".