1243341341231 has 8 divisors (see below), whose sum is σ = 1400126320128. Its totient is φ = 1093848687000.

The previous prime is 1243341341213. The next prime is 1243341341239. The reversal of 1243341341231 is 1321431433421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1243341341231 is a prime.

It is a super-2 number, since 2×1243341341231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243341341239) 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, 1823080805 + ... + 1823081486.

It is an arithmetic number, because the mean of its divisors is an integer number (175015790016).

Almost surely, 2^{1243341341231} is an apocalyptic number.

1243341341231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1243341341231 is a deficient number, since it is larger than the sum of its proper divisors (156784978897).

1243341341231 is a wasteful number, since it uses less digits than its factorization.

1243341341231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646162333.

The product of its digits is 20736, while the sum is 32.

Adding to 1243341341231 its reverse (1321431433421), we get a palindrome (2564772774652).

The spelling of 1243341341231 in words is "one trillion, two hundred forty-three billion, three hundred forty-one million, three hundred forty-one thousand, two hundred thirty-one".