13333030021231 has 4 divisors (see below), whose sum is σ = 13333053607272. Its totient is φ = 13333006435192.

The previous prime is 13333030021153. The next prime is 13333030021247. The reversal of 13333030021231 is 13212003033331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13333030021231 is a prime.

It is a super-2 number, since 2×13333030021231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13333030021196 and 13333030021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333030027231) 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, 10923721 + ... + 12082786.

It is an arithmetic number, because the mean of its divisors is an integer number (3333263401818).

Almost surely, 2^{13333030021231} is an apocalyptic number.

13333030021231 is a deficient number, since it is larger than the sum of its proper divisors (23586041).

13333030021231 is an equidigital number, since it uses as much as digits as its factorization.

13333030021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23586040.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 13333030021231 its reverse (13212003033331), we get a palindrome (26545033054562).

The spelling of 13333030021231 in words is "thirteen trillion, three hundred thirty-three billion, thirty million, twenty-one thousand, two hundred thirty-one".