20131011323011 has 8 divisors (see below), whose sum is σ = 20622071885184. Its totient is φ = 19639953631680.

The previous prime is 20131011322921. The next prime is 20131011323039. The reversal of 20131011323011 is 11032311013102.

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 20131011323011 - 2⁷ = 20131011322883 is a prime.

It is a super-2 number, since 2×20131011323011² (a number of 27 digits) contains 22 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 20131011323011.

It is not an unprimeable number, because it can be changed into a prime (20131011383011) 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, 22626766 + ... + 23499628.

It is an arithmetic number, because the mean of its divisors is an integer number (2577758985648).

Almost surely, 2^{20131011323011} is an apocalyptic number.

20131011323011 is a deficient number, since it is larger than the sum of its proper divisors (491060562173).

20131011323011 is an equidigital number, since it uses as much as digits as its factorization.

20131011323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435421.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20131011323011 its reverse (11032311013102), we get a palindrome (31163322336113).

The spelling of 20131011323011 in words is "twenty trillion, one hundred thirty-one billion, eleven million, three hundred twenty-three thousand, eleven".