13231131022311 has 24 divisors (see below), whose sum is σ = 18066371957712. Its totient is φ = 8612820921600.

The previous prime is 13231131022283. The next prime is 13231131022321. The reversal of 13231131022311 is 11322013113231.

It is not a de Polignac number, because 13231131022311 - 2⁹ = 13231131021799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231131022321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2796460 + ... + 5855121.

It is an arithmetic number, because the mean of its divisors is an integer number (752765498238).

Almost surely, 2^{13231131022311} is an apocalyptic number.

13231131022311 is a deficient number, since it is larger than the sum of its proper divisors (4835240935401).

13231131022311 is an equidigital number, since it uses as much as digits as its factorization.

13231131022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651843 (or 8651782 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13231131022311 its reverse (11322013113231), we get a palindrome (24553144135542).

The spelling of 13231131022311 in words is "thirteen trillion, two hundred thirty-one billion, one hundred thirty-one million, twenty-two thousand, three hundred eleven".