13103144234 has 4 divisors (see below), whose sum is σ = 19654716354. Its totient is φ = 6551572116.

The previous prime is 13103144233. The next prime is 13103144311. The reversal of 13103144234 is 43244130131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43244130131 = 19 ⋅2276006849.

It can be written as a sum of positive squares in only one way, i.e., 12587718025 + 515426209 = 112195^2 + 22703^2 .

It is not an unprimeable number, because it can be changed into a prime (13103144233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275786057 + ... + 3275786060.

Almost surely, 2^13103144234 is an apocalyptic number.

13103144234 is a deficient number, since it is larger than the sum of its proper divisors (6551572120).

13103144234 is an equidigital number, since it uses as much as digits as its factorization.

13103144234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551572119.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13103144234 its reverse (43244130131), we get a palindrome (56347274365).

The spelling of 13103144234 in words is "thirteen billion, one hundred three million, one hundred forty-four thousand, two hundred thirty-four".