13140012443231 has 8 divisors (see below), whose sum is σ = 13396048045200. Its totient is φ = 12885087625600.

The previous prime is 13140012443219. The next prime is 13140012443281. The reversal of 13140012443231 is 13234421004131.

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 13140012443231 - 2⁴² = 8741965932127 is a prime.

It is a super-2 number, since 2×13140012443231² (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 = 13140012443194 and 13140012443203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140012443281) 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, 277672196 + ... + 277719513.

It is an arithmetic number, because the mean of its divisors is an integer number (1674506005650).

Almost surely, 2^{13140012443231} is an apocalyptic number.

13140012443231 is a deficient number, since it is larger than the sum of its proper divisors (256035601969).

13140012443231 is an equidigital number, since it uses as much as digits as its factorization.

13140012443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555392169.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13140012443231 its reverse (13234421004131), we get a palindrome (26374433447362).

The spelling of 13140012443231 in words is "thirteen trillion, one hundred forty billion, twelve million, four hundred forty-three thousand, two hundred thirty-one".