1204312303 has 8 divisors (see below), whose sum is σ = 1222726608. Its totient is φ = 1186034304.

The previous prime is 1204312271. The next prime is 1204312313. The reversal of 1204312303 is 3032134021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204312303 - 2⁵ = 1204312271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204312313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16201 + ... + 51682.

It is an arithmetic number, because the mean of its divisors is an integer number (152840826).

Almost surely, 2^1204312303 is an apocalyptic number.

1204312303 is a deficient number, since it is larger than the sum of its proper divisors (18414305).

1204312303 is a wasteful number, since it uses less digits than its factorization.

1204312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68153.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1204312303 is about 34703.2030654232. The cubic root of 1204312303 is about 1063.9299656991.

Adding to 1204312303 its reverse (3032134021), we get a palindrome (4236446324).

The spelling of 1204312303 in words is "one billion, two hundred four million, three hundred twelve thousand, three hundred three".