1242320313303 has 24 divisors (see below), whose sum is σ = 1812034224000. Its totient is φ = 820112900544.

The previous prime is 1242320313263. The next prime is 1242320313359. The reversal of 1242320313303 is 3033130232421.

1242320313303 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 320 + 3 + 1 + 330 + 3 = 666.

It is not a de Polignac number, because 1242320313303 - 2¹³ = 1242320305111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242320313383) 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 23 ways as a sum of consecutive naturals, for example, 1219098 + ... + 1992696.

It is an arithmetic number, because the mean of its divisors is an integer number (75501426000).

Almost surely, 2^{1242320313303} is an apocalyptic number.

1242320313303 is a deficient number, since it is larger than the sum of its proper divisors (569713910697).

1242320313303 is a wasteful number, since it uses less digits than its factorization.

1242320313303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775351 (or 775348 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1242320313303 its reverse (3033130232421), we get a palindrome (4275450545724).

The spelling of 1242320313303 in words is "one trillion, two hundred forty-two billion, three hundred twenty million, three hundred thirteen thousand, three hundred three".