13000111131 has 8 divisors (see below), whose sum is σ = 19809693184. Its totient is φ = 7428634920.

The previous prime is 13000111057. The next prime is 13000111133. The reversal of 13000111131 is 13111100031.

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

It is not a de Polignac number, because 13000111131 - 2¹⁰ = 13000110107 is a prime.

It is a super-2 number, since 2×13000111131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000111133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309526435 + ... + 309526476.

It is an arithmetic number, because the mean of its divisors is an integer number (2476211648).

Almost surely, 2^13000111131 is an apocalyptic number.

13000111131 is a deficient number, since it is larger than the sum of its proper divisors (6809582053).

13000111131 is an equidigital number, since it uses as much as digits as its factorization.

13000111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619052921.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 13000111131 its reverse (13111100031), we get a palindrome (26111211162).

The spelling of 13000111131 in words is "thirteen billion, one hundred eleven thousand, one hundred thirty-one".