13213333133 has 32 divisors (see below), whose sum is σ = 18352776960. Its totient is φ = 9176348160.

The previous prime is 13213333127. The next prime is 13213333157. The reversal of 13213333133 is 33133331231.

It is a happy number.

It is not a de Polignac number, because 13213333133 - 2⁴ = 13213333117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213333103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198560 + ... + 256617.

It is an arithmetic number, because the mean of its divisors is an integer number (573524280).

Almost surely, 2^13213333133 is an apocalyptic number.

13213333133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13213333133 is a deficient number, since it is larger than the sum of its proper divisors (5139443827).

13213333133 is a wasteful number, since it uses less digits than its factorization.

13213333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455237.

The product of its digits is 4374, while the sum is 26.

Adding to 13213333133 its reverse (33133331231), we get a palindrome (46346664364).

The spelling of 13213333133 in words is "thirteen billion, two hundred thirteen million, three hundred thirty-three thousand, one hundred thirty-three".