13023131011 has 16 divisors (see below), whose sum is σ = 14567826528. Its totient is φ = 11542003200.

The previous prime is 13023130987. The next prime is 13023131021. The reversal of 13023131011 is 11013132031.

It is a cyclic number.

It is not a de Polignac number, because 13023131011 - 2⁵ = 13023130979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023131021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10056 + ... + 161701.

It is an arithmetic number, because the mean of its divisors is an integer number (910489158).

Almost surely, 2^13023131011 is an apocalyptic number.

13023131011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13023131011 is a deficient number, since it is larger than the sum of its proper divisors (1544695517).

13023131011 is a wasteful number, since it uses less digits than its factorization.

13023131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171942.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13023131011 its reverse (11013132031), we get a palindrome (24036263042).

It can be divided in two parts, 1302 and 3131011, that added together give a palindrome (3132313).

The spelling of 13023131011 in words is "thirteen billion, twenty-three million, one hundred thirty-one thousand, eleven".