1314305243 has 4 divisors (see below), whose sum is σ = 1315114680. Its totient is φ = 1313495808.

The previous prime is 1314305159. The next prime is 1314305263. The reversal of 1314305243 is 3425034131.

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 1314305243 - 2¹² = 1314301147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314305263) 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, 402278 + ... + 405531.

It is an arithmetic number, because the mean of its divisors is an integer number (328778670).

Almost surely, 2^1314305243 is an apocalyptic number.

1314305243 is a deficient number, since it is larger than the sum of its proper divisors (809437).

1314305243 is an equidigital number, since it uses as much as digits as its factorization.

1314305243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809436.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1314305243 is about 36253.3480246997. The cubic root of 1314305243 is about 1095.3815293717.

Adding to 1314305243 its reverse (3425034131), we get a palindrome (4739339374).

The spelling of 1314305243 in words is "one billion, three hundred fourteen million, three hundred five thousand, two hundred forty-three".