1344240220231 has 4 divisors (see below), whose sum is σ = 1380571037032. Its totient is φ = 1307909403432.

The previous prime is 1344240220207. The next prime is 1344240220259. The reversal of 1344240220231 is 1320220424431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344240220231 - 2⁹ = 1344240219719 is a prime.

It is a super-2 number, since 2×1344240220231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344240220231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344240320231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18165408345 + ... + 18165408418.

It is an arithmetic number, because the mean of its divisors is an integer number (345142759258).

Almost surely, 2^{1344240220231} is an apocalyptic number.

1344240220231 is a deficient number, since it is larger than the sum of its proper divisors (36330816801).

1344240220231 is an equidigital number, since it uses as much as digits as its factorization.

1344240220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36330816800.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1344240220231 its reverse (1320220424431), we get a palindrome (2664460644662).

The spelling of 1344240220231 in words is "one trillion, three hundred forty-four billion, two hundred forty million, two hundred twenty thousand, two hundred thirty-one".