1313012003 has 8 divisors (see below), whose sum is σ = 1352013936. Its totient is φ = 1274342400.

The previous prime is 1313011993. The next prime is 1313012027. The reversal of 1313012003 is 3002103131.

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 1313012003 - 2⁶ = 1313011939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313012053) 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, 75053 + ... + 90878.

It is an arithmetic number, because the mean of its divisors is an integer number (169001742).

Almost surely, 2^1313012003 is an apocalyptic number.

1313012003 is a deficient number, since it is larger than the sum of its proper divisors (39001933).

1313012003 is a wasteful number, since it uses less digits than its factorization.

1313012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166165.

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

The square root of 1313012003 is about 36235.5074892018. The cubic root of 1313012003 is about 1095.0221364276.

Adding to 1313012003 its reverse (3002103131), we get a palindrome (4315115134).

The spelling of 1313012003 in words is "one billion, three hundred thirteen million, twelve thousand, three".