13144111233 has 16 divisors (see below), whose sum is σ = 19125691392. Its totient is φ = 7963218000.

The previous prime is 13144111207. The next prime is 13144111241. The reversal of 13144111233 is 33211144131.

It is a happy number.

It is not a de Polignac number, because 13144111233 - 2⁸ = 13144110977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13144111243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20748 + ... + 163458.

It is an arithmetic number, because the mean of its divisors is an integer number (1195355712).

Almost surely, 2^13144111233 is an apocalyptic number.

It is an amenable number.

13144111233 is a deficient number, since it is larger than the sum of its proper divisors (5981580159).

13144111233 is a wasteful number, since it uses less digits than its factorization.

13144111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145516.

The product of its digits is 864, while the sum is 24.

Adding to 13144111233 its reverse (33211144131), we get a palindrome (46355255364).

The spelling of 13144111233 in words is "thirteen billion, one hundred forty-four million, one hundred eleven thousand, two hundred thirty-three".