1305242241431 has 8 divisors (see below), whose sum is σ = 1322426329920. Its totient is φ = 1288074703968.

The previous prime is 1305242241403. The next prime is 1305242241451. The reversal of 1305242241431 is 1341422425031.

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-1305242241431 is a prime.

It is a super-2 number, since 2×1305242241431² (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 (1305242241451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3978956 + ... + 4294481.

It is an arithmetic number, because the mean of its divisors is an integer number (165303291240).

Almost surely, 2^{1305242241431} is an apocalyptic number.

1305242241431 is a deficient number, since it is larger than the sum of its proper divisors (17184088489).

1305242241431 is an equidigital number, since it uses as much as digits as its factorization.

1305242241431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275513.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1305242241431 its reverse (1341422425031), we get a palindrome (2646664666462).

The spelling of 1305242241431 in words is "one trillion, three hundred five billion, two hundred forty-two million, two hundred forty-one thousand, four hundred thirty-one".