13031222133 has 4 divisors (see below), whose sum is σ = 17374962848. Its totient is φ = 8687481420.

The previous prime is 13031222063. The next prime is 13031222137. The reversal of 13031222133 is 33122213031.

13031222133 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33122213031 = 3 ⋅11040737677.

It is not a de Polignac number, because 13031222133 - 2¹² = 13031218037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031222137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171870353 + ... + 2171870358.

It is an arithmetic number, because the mean of its divisors is an integer number (4343740712).

Almost surely, 2^13031222133 is an apocalyptic number.

It is an amenable number.

13031222133 is a deficient number, since it is larger than the sum of its proper divisors (4343740715).

13031222133 is an equidigital number, since it uses as much as digits as its factorization.

13031222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343740714.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13031222133 its reverse (33122213031), we get a palindrome (46153435164).

The spelling of 13031222133 in words is "thirteen billion, thirty-one million, two hundred twenty-two thousand, one hundred thirty-three".