13031230320133 has 4 divisors (see below), whose sum is σ = 13034288580748. Its totient is φ = 13028172059520.

The previous prime is 13031230320131. The next prime is 13031230320191. The reversal of 13031230320133 is 33102303213031.

13031230320133 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 11920950844929 + 1110279475204 = 3452673^2 + 1053698^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031230320133 - 2¹ = 13031230320131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13031230320098 and 13031230320107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031230320131) 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, 1529123916 + ... + 1529132437.

It is an arithmetic number, because the mean of its divisors is an integer number (3258572145187).

Almost surely, 2^{13031230320133} is an apocalyptic number.

It is an amenable number.

13031230320133 is a deficient number, since it is larger than the sum of its proper divisors (3058260615).

13031230320133 is an equidigital number, since it uses as much as digits as its factorization.

13031230320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058260614.

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

Adding to 13031230320133 its reverse (33102303213031), we get a palindrome (46133533533164).

The spelling of 13031230320133 in words is "thirteen trillion, thirty-one billion, two hundred thirty million, three hundred twenty thousand, one hundred thirty-three".