13311232133 has 2 divisors, whose sum is σ = 13311232134. Its totient is φ = 13311232132.

The previous prime is 13311232127. The next prime is 13311232141. The reversal of 13311232133 is 33123211331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11345019169 + 1966212964 = 106513^2 + 44342^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311232133 - 2⁴ = 13311232117 is a prime.

It is a super-2 number, since 2×13311232133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13311232099 and 13311232108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311232183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655616066 + 6655616067.

It is an arithmetic number, because the mean of its divisors is an integer number (6655616067).

Almost surely, 2^13311232133 is an apocalyptic number.

It is an amenable number.

13311232133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311232133 is an equidigital number, since it uses as much as digits as its factorization.

13311232133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

Adding to 13311232133 its reverse (33123211331), we get a palindrome (46434443464).

The spelling of 13311232133 in words is "thirteen billion, three hundred eleven million, two hundred thirty-two thousand, one hundred thirty-three".