13112444033 has 8 divisors (see below), whose sum is σ = 14314534248. Its totient is φ = 11937988224.

The previous prime is 13112443997. The next prime is 13112444053. The reversal of 13112444033 is 33044421131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3360289024 + 9752155009 = 57968^2 + 98753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13112444033 - 2⁸ = 13112443777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112443993 and 13112444011.

It is not an unprimeable number, because it can be changed into a prime (13112444053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6907610 + ... + 6909507.

It is an arithmetic number, because the mean of its divisors is an integer number (1789316781).

Almost surely, 2^13112444033 is an apocalyptic number.

13112444033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13112444033 is a deficient number, since it is larger than the sum of its proper divisors (1202090215).

13112444033 is a wasteful number, since it uses less digits than its factorization.

13112444033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13817203.

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

Adding to 13112444033 its reverse (33044421131), we get a palindrome (46156865164).

The spelling of 13112444033 in words is "thirteen billion, one hundred twelve million, four hundred forty-four thousand, thirty-three".