13012323031231 has 8 divisors (see below), whose sum is σ = 14098166677584. Its totient is φ = 11962080816000.

The previous prime is 13012323031219. The next prime is 13012323031241. The reversal of 13012323031231 is 13213032321031.

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 13012323031231 - 2¹³ = 13012323023039 is a prime.

It is a super-2 number, since 2×13012323031231² (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 = 13012323031196 and 13012323031205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012323031241) 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, 8900357020 + ... + 8900358481.

It is an arithmetic number, because the mean of its divisors is an integer number (1762270834698).

Almost surely, 2^{13012323031231} is an apocalyptic number.

13012323031231 is a deficient number, since it is larger than the sum of its proper divisors (1085843646353).

13012323031231 is a wasteful number, since it uses less digits than its factorization.

13012323031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17800715561.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13012323031231 its reverse (13213032321031), we get a palindrome (26225355352262).

The spelling of 13012323031231 in words is "thirteen trillion, twelve billion, three hundred twenty-three million, thirty-one thousand, two hundred thirty-one".