13103404033 has 4 divisors (see below), whose sum is σ = 13103633620. Its totient is φ = 13103174448.

The previous prime is 13103404009. The next prime is 13103404049. The reversal of 13103404033 is 33040430131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33040430131 = 113 ⋅292393187.

It can be written as a sum of positive squares in 2 ways, for example, as 9569339329 + 3534064704 = 97823^2 + 59448^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103404033 - 2²⁹ = 12566533121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103403995 and 13103404013.

It is not an unprimeable number, because it can be changed into a prime (13103404133) 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, 44491 + ... + 167887.

It is an arithmetic number, because the mean of its divisors is an integer number (3275908405).

Almost surely, 2^13103404033 is an apocalyptic number.

It is an amenable number.

13103404033 is a deficient number, since it is larger than the sum of its proper divisors (229587).

13103404033 is a wasteful number, since it uses less digits than its factorization.

13103404033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229586.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13103404033 its reverse (33040430131), we get a palindrome (46143834164).

The spelling of 13103404033 in words is "thirteen billion, one hundred three million, four hundred four thousand, thirty-three".