13111102023231 has 8 divisors (see below), whose sum is σ = 17483691522304. Its totient is φ = 8739623603160.

The previous prime is 13111102023223. The next prime is 13111102023263. The reversal of 13111102023231 is 13232020111131.

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

It is not a de Polignac number, because 13111102023231 - 2³ = 13111102023223 is a prime.

It is a super-2 number, since 2×13111102023231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111102023198 and 13111102023207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111102023281) 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, 277742215 + ... + 277789416.

It is an arithmetic number, because the mean of its divisors is an integer number (2185461440288).

Almost surely, 2^{13111102023231} is an apocalyptic number.

13111102023231 is a deficient number, since it is larger than the sum of its proper divisors (4372589499073).

13111102023231 is an equidigital number, since it uses as much as digits as its factorization.

13111102023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555539501.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13111102023231 its reverse (13232020111131), we get a palindrome (26343122134362).

The spelling of 13111102023231 in words is "thirteen trillion, one hundred eleven billion, one hundred two million, twenty-three thousand, two hundred thirty-one".