1311374003 has 8 divisors (see below), whose sum is σ = 1369363200. Its totient is φ = 1253465928.

The previous prime is 1311373993. The next prime is 1311374039. The reversal of 1311374003 is 3004731131.

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 1311374003 - 2¹² = 1311369907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311374003.

It is not an unprimeable number, because it can be changed into a prime (1311374063) 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, 14018 + ... + 53096.

It is an arithmetic number, because the mean of its divisors is an integer number (171170400).

Almost surely, 2^1311374003 is an apocalyptic number.

1311374003 is a deficient number, since it is larger than the sum of its proper divisors (57989197).

1311374003 is a wasteful number, since it uses less digits than its factorization.

1311374003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40561.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1311374003 is about 36212.8982960492. The cubic root of 1311374003 is about 1094.5665953666.

The spelling of 1311374003 in words is "one billion, three hundred eleven million, three hundred seventy-four thousand, three".