1312204303 has 8 divisors (see below), whose sum is σ = 1402654176. Its totient is φ = 1224537600.

The previous prime is 1312204291. The next prime is 1312204307. The reversal of 1312204303 is 3034022131.

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 1312204303 - 2⁹ = 1312203791 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 (1312204307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694818 + ... + 696703.

It is an arithmetic number, because the mean of its divisors is an integer number (175331772).

Almost surely, 2^1312204303 is an apocalyptic number.

1312204303 is a deficient number, since it is larger than the sum of its proper divisors (90449873).

1312204303 is a wasteful number, since it uses less digits than its factorization.

1312204303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391585.

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

The square root of 1312204303 is about 36224.3606292782. The cubic root of 1312204303 is about 1094.7975558967.

Adding to 1312204303 its reverse (3034022131), we get a palindrome (4346226434).

The spelling of 1312204303 in words is "one billion, three hundred twelve million, two hundred four thousand, three hundred three".