1312301003 has 4 divisors (see below), whose sum is σ = 1413247248. Its totient is φ = 1211354760.

The previous prime is 1312300973. The next prime is 1312301017. The reversal of 1312301003 is 3001032131.

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 1312301003 - 2¹⁶ = 1312235467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312301093) 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 3 ways as a sum of consecutive naturals, for example, 50473103 + ... + 50473128.

It is an arithmetic number, because the mean of its divisors is an integer number (353311812).

Almost surely, 2^1312301003 is an apocalyptic number.

1312301003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312301003 is a deficient number, since it is larger than the sum of its proper divisors (100946245).

1312301003 is a wasteful number, since it uses less digits than its factorization.

1312301003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100946244.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1312301003 is about 36225.6953418426. The cubic root of 1312301003 is about 1094.8244481327.

Adding to 1312301003 its reverse (3001032131), we get a palindrome (4313333134).

The spelling of 1312301003 in words is "one billion, three hundred twelve million, three hundred one thousand, three".