13133031013 has 4 divisors (see below), whose sum is σ = 13138242988. Its totient is φ = 13127819040.

The previous prime is 13133030993. The next prime is 13133031017. The reversal of 13133031013 is 31013033131.

It is a happy number.

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 4848754689 + 8284276324 = 69633^2 + 91018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13133031013 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 (13133031017) 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, 2602206 + ... + 2607247.

It is an arithmetic number, because the mean of its divisors is an integer number (3284560747).

Almost surely, 2^13133031013 is an apocalyptic number.

It is an amenable number.

13133031013 is a deficient number, since it is larger than the sum of its proper divisors (5211975).

13133031013 is an equidigital number, since it uses as much as digits as its factorization.

13133031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211974.

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

Adding to 13133031013 its reverse (31013033131), we get a palindrome (44146064144).

The spelling of 13133031013 in words is "thirteen billion, one hundred thirty-three million, thirty-one thousand, thirteen".