13240312133 has 16 divisors (see below), whose sum is σ = 13914040320. Its totient is φ = 12583177200.

The previous prime is 13240312121. The next prime is 13240312157. The reversal of 13240312133 is 33121304231.

It is a cyclic number.

It is not a de Polignac number, because 13240312133 - 2⁶ = 13240312069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13240312099 and 13240312108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240312193) 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, 677858 + ... + 697116.

It is an arithmetic number, because the mean of its divisors is an integer number (869627520).

Almost surely, 2^13240312133 is an apocalyptic number.

It is an amenable number.

13240312133 is a deficient number, since it is larger than the sum of its proper divisors (673728187).

13240312133 is a wasteful number, since it uses less digits than its factorization.

13240312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19688.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13240312133 its reverse (33121304231), we get a palindrome (46361616364).

The spelling of 13240312133 in words is "thirteen billion, two hundred forty million, three hundred twelve thousand, one hundred thirty-three".