13211312033 has 16 divisors (see below), whose sum is σ = 13939900416. Its totient is φ = 12496231440.

The previous prime is 13211312011. The next prime is 13211312039. The reversal of 13211312033 is 33021311231.

It is a cyclic number.

It is not a de Polignac number, because 13211312033 - 2⁸ = 13211311777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13211311996 and 13211312014.

It is not an unprimeable number, because it can be changed into a prime (13211312039) 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, 901160 + ... + 915702.

It is an arithmetic number, because the mean of its divisors is an integer number (871243776).

Almost surely, 2^13211312033 is an apocalyptic number.

It is an amenable number.

13211312033 is a deficient number, since it is larger than the sum of its proper divisors (728588383).

13211312033 is a wasteful number, since it uses less digits than its factorization.

13211312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13211312033 its reverse (33021311231), we get a palindrome (46232623264).

The spelling of 13211312033 in words is "thirteen billion, two hundred eleven million, three hundred twelve thousand, thirty-three".