13112021031233 has 4 divisors (see below), whose sum is σ = 13112054946900. Its totient is φ = 13111987115568.

The previous prime is 13112021031157. The next prime is 13112021031257. The reversal of 13112021031233 is 33213012021131.

13112021031233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12730995074704 + 381025956529 = 3568052^2 + 617273^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112021031233 - 2³⁴ = 13094841162049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112021031199 and 13112021031208.

It is not an unprimeable number, because it can be changed into a prime (13112021081233) 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, 16371158 + ... + 17153391.

It is an arithmetic number, because the mean of its divisors is an integer number (3278013736725).

Almost surely, 2^{13112021031233} is an apocalyptic number.

It is an amenable number.

13112021031233 is a deficient number, since it is larger than the sum of its proper divisors (33915667).

13112021031233 is an equidigital number, since it uses as much as digits as its factorization.

13112021031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33915666.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13112021031233 its reverse (33213012021131), we get a palindrome (46325033052364).

The spelling of 13112021031233 in words is "thirteen trillion, one hundred twelve billion, twenty-one million, thirty-one thousand, two hundred thirty-three".