13011120233 has 6 divisors (see below), whose sum is σ = 13227917742. Its totient is φ = 12797819520.

The previous prime is 13011120229. The next prime is 13011120253. The reversal of 13011120233 is 33202111031.

It can be written as a sum of positive squares in 3 ways, for example, as 7823209 + 13003297024 = 2797^2 + 114032^2 .

It is not a de Polignac number, because 13011120233 - 2² = 13011120229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011120203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1744616 + ... + 1752057.

It is an arithmetic number, because the mean of its divisors is an integer number (2204652957).

Almost surely, 2^13011120233 is an apocalyptic number.

It is an amenable number.

13011120233 is a deficient number, since it is larger than the sum of its proper divisors (216797509).

13011120233 is an frugal number, since it uses more digits than its factorization.

13011120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496795 (or 3496734 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13011120233 its reverse (33202111031), we get a palindrome (46213231264).

The spelling of 13011120233 in words is "thirteen billion, eleven million, one hundred twenty thousand, two hundred thirty-three".