1311375003 has 8 divisors (see below), whose sum is σ = 1840526400. Its totient is φ = 828236808.

The previous prime is 1311374947. The next prime is 1311375007. The reversal of 1311375003 is 3005731131.

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

It is not a de Polignac number, because 1311375003 - 2¹³ = 1311366811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311375007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11503233 + ... + 11503346.

It is an arithmetic number, because the mean of its divisors is an integer number (230065800).

Almost surely, 2^1311375003 is an apocalyptic number.

1311375003 is a deficient number, since it is larger than the sum of its proper divisors (529151397).

1311375003 is a wasteful number, since it uses less digits than its factorization.

1311375003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23006601.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 1311375003 is about 36212.9121032816. The cubic root of 1311375003 is about 1094.5668735904.

The spelling of 1311375003 in words is "one billion, three hundred eleven million, three hundred seventy-five thousand, three".