13140143231 has 2 divisors, whose sum is σ = 13140143232. Its totient is φ = 13140143230.

The previous prime is 13140143213. The next prime is 13140143249. The reversal of 13140143231 is 13234104131.

Together with previous prime (13140143213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (13140143213) and next prime (13140143249).

It is an emirp because it is prime and its reverse (13234104131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13140143231 - 2⁶ = 13140143167 is a prime.

It is a super-2 number, since 2×13140143231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13140143197 and 13140143206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13140143201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570071615 + 6570071616.

It is an arithmetic number, because the mean of its divisors is an integer number (6570071616).

Almost surely, 2^13140143231 is an apocalyptic number.

13140143231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140143231 is an equidigital number, since it uses as much as digits as its factorization.

13140143231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13140143231 its reverse (13234104131), we get a palindrome (26374247362).

The spelling of 13140143231 in words is "thirteen billion, one hundred forty million, one hundred forty-three thousand, two hundred thirty-one".