13031310133 has 4 divisors (see below), whose sum is σ = 13451675008. Its totient is φ = 12610945260.

The previous prime is 13031310059. The next prime is 13031310139. The reversal of 13031310133 is 33101313031.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 13031310133 - 2¹⁷ = 13031179061 is a prime.

It is a super-3 number, since 3×13031310133³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13031310133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031310139) 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, 210182391 + ... + 210182452.

It is an arithmetic number, because the mean of its divisors is an integer number (3362918752).

Almost surely, 2^13031310133 is an apocalyptic number.

It is an amenable number.

13031310133 is a deficient number, since it is larger than the sum of its proper divisors (420364875).

13031310133 is an equidigital number, since it uses as much as digits as its factorization.

13031310133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420364874.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 13031310133 its reverse (33101313031), we get a palindrome (46132623164).

The spelling of 13031310133 in words is "thirteen billion, thirty-one million, three hundred ten thousand, one hundred thirty-three".