1242344313 has 48 divisors (see below), whose sum is σ = 2129826816. Its totient is φ = 682853760.

The previous prime is 1242344291. The next prime is 1242344371. The reversal of 1242344313 is 3134432421.

1242344313 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 344 + 313 = 666.

It is not a de Polignac number, because 1242344313 - 2⁹ = 1242343801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242344113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336031 + ... + 339707.

It is an arithmetic number, because the mean of its divisors is an integer number (44371392).

Almost surely, 2^1242344313 is an apocalyptic number.

It is an amenable number.

1242344313 is a deficient number, since it is larger than the sum of its proper divisors (887482503).

1242344313 is a wasteful number, since it uses less digits than its factorization.

1242344313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894 (or 3891 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1242344313 is about 35246.9050130646. The cubic root of 1242344313 is about 1075.0136830420.

Adding to 1242344313 its reverse (3134432421), we get a palindrome (4376776734).

The spelling of 1242344313 in words is "one billion, two hundred forty-two million, three hundred forty-four thousand, three hundred thirteen".