13131323013 has 8 divisors (see below), whose sum is σ = 17719375968. Its totient is φ = 8648742704.

The previous prime is 13131322991. The next prime is 13131323021. The reversal of 13131323013 is 31032313131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13131323013 - 2⁶ = 13131322949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131323033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26367870 + ... + 26368367.

It is an arithmetic number, because the mean of its divisors is an integer number (2214921996).

Almost surely, 2^13131323013 is an apocalyptic number.

It is an amenable number.

13131323013 is a deficient number, since it is larger than the sum of its proper divisors (4588052955).

13131323013 is an equidigital number, since it uses as much as digits as its factorization.

13131323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52736323.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13131323013 its reverse (31032313131), we get a palindrome (44163636144).

The spelling of 13131323013 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-three thousand, thirteen".