13003224431 has 4 divisors (see below), whose sum is σ = 13078387752. Its totient is φ = 12928061112.

The previous prime is 13003224413. The next prime is 13003224449. The reversal of 13003224431 is 13442230031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13442230031 = 1429 ⋅9406739.

It is an interprime number because it is at equal distance from previous prime (13003224413) and next prime (13003224449).

It is a cyclic number.

It is not a de Polignac number, because 13003224431 - 2¹⁰ = 13003223407 is a prime.

It is a super-2 number, since 2×13003224431² (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 = 13003224397 and 13003224406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003224461) 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, 37581401 + ... + 37581746.

It is an arithmetic number, because the mean of its divisors is an integer number (3269596938).

Almost surely, 2^13003224431 is an apocalyptic number.

13003224431 is a deficient number, since it is larger than the sum of its proper divisors (75163321).

13003224431 is an equidigital number, since it uses as much as digits as its factorization.

13003224431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75163320.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13003224431 its reverse (13442230031), we get a palindrome (26445454462).

The spelling of 13003224431 in words is "thirteen billion, three million, two hundred twenty-four thousand, four hundred thirty-one".