13023111133231 has 8 divisors (see below), whose sum is σ = 13896326228720. Its totient is φ = 12168674857152.

The previous prime is 13023111133223. The next prime is 13023111133303. The reversal of 13023111133231 is 13233111132031.

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 13023111133231 - 2³ = 13023111133223 is a prime.

It is a super-2 number, since 2×13023111133231² (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 = 13023111133196 and 13023111133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023111133631) 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, 4694703420 + ... + 4694706193.

It is an arithmetic number, because the mean of its divisors is an integer number (1737040778590).

Almost surely, 2^{13023111133231} is an apocalyptic number.

13023111133231 is a deficient number, since it is larger than the sum of its proper divisors (873215095489).

13023111133231 is an equidigital number, since it uses as much as digits as its factorization.

13023111133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389409705.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13023111133231 its reverse (13233111132031), we get a palindrome (26256222265262).

The spelling of 13023111133231 in words is "thirteen trillion, twenty-three billion, one hundred eleven million, one hundred thirty-three thousand, two hundred thirty-one".