1311473827 has 8 divisors (see below), whose sum is σ = 1317892896. Its totient is φ = 1305065472.

The previous prime is 1311473791. The next prime is 1311473837. The reversal of 1311473827 is 7283741131.

It is a happy number.

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 1311473827 - 2²⁷ = 1177256099 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1311473837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349453 + ... + 353185.

It is an arithmetic number, because the mean of its divisors is an integer number (164736612).

Almost surely, 2^1311473827 is an apocalyptic number.

1311473827 is a deficient number, since it is larger than the sum of its proper divisors (6419069).

1311473827 is a wasteful number, since it uses less digits than its factorization.

1311473827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357.

The product of its digits is 28224, while the sum is 37.

The square root of 1311473827 is about 36214.2765632561. The cubic root of 1311473827 is about 1094.5943680801.

The spelling of 1311473827 in words is "one billion, three hundred eleven million, four hundred seventy-three thousand, eight hundred twenty-seven".