13531200233 has 4 divisors (see below), whose sum is σ = 13531991940. Its totient is φ = 13530408528.

The previous prime is 13531200223. The next prime is 13531200251. The reversal of 13531200233 is 33200213531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33200213531 = 47339 ⋅701329.

It can be written as a sum of positive squares in 2 ways, for example, as 7030487104 + 6500713129 = 83848^2 + 80627^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531200233 - 2⁶ = 13531200169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13531200199 and 13531200208.

It is not an unprimeable number, because it can be changed into a prime (13531200203) 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, 369638 + ... + 404591.

It is an arithmetic number, because the mean of its divisors is an integer number (3382997985).

Almost surely, 2^13531200233 is an apocalyptic number.

It is an amenable number.

13531200233 is a deficient number, since it is larger than the sum of its proper divisors (791707).

13531200233 is an equidigital number, since it uses as much as digits as its factorization.

13531200233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791706.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 13531200233 its reverse (33200213531), we get a palindrome (46731413764).

The spelling of 13531200233 in words is "thirteen billion, five hundred thirty-one million, two hundred thousand, two hundred thirty-three".