13031443133 has 2 divisors, whose sum is σ = 13031443134. Its totient is φ = 13031443132.

The previous prime is 13031443127. The next prime is 13031443169. The reversal of 13031443133 is 33134413031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13020407449 + 11035684 = 114107^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031443133 - 2¹² = 13031439037 is a prime.

It is a super-2 number, since 2×13031443133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13031443193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515721566 + 6515721567.

It is an arithmetic number, because the mean of its divisors is an integer number (6515721567).

Almost surely, 2^13031443133 is an apocalyptic number.

It is an amenable number.

13031443133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031443133 is an equidigital number, since it uses as much as digits as its factorization.

13031443133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13031443133 its reverse (33134413031), we get a palindrome (46165856164).

The spelling of 13031443133 in words is "thirteen billion, thirty-one million, four hundred forty-three thousand, one hundred thirty-three".