1340244124231 has 2 divisors, whose sum is σ = 1340244124232. Its totient is φ = 1340244124230.

The previous prime is 1340244124217. The next prime is 1340244124243. The reversal of 1340244124231 is 1324214420431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340244124231 - 2¹¹ = 1340244122183 is a prime.

It is a super-2 number, since 2×1340244124231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340244124193 and 1340244124202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340244124291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670122062115 + 670122062116.

It is an arithmetic number, because the mean of its divisors is an integer number (670122062116).

Almost surely, 2^{1340244124231} is an apocalyptic number.

1340244124231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340244124231 is an equidigital number, since it uses as much as digits as its factorization.

1340244124231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1340244124231 its reverse (1324214420431), we get a palindrome (2664458544662).

The spelling of 1340244124231 in words is "one trillion, three hundred forty billion, two hundred forty-four million, one hundred twenty-four thousand, two hundred thirty-one".