1315311 has 8 divisors (see below), whose sum is σ = 1760304. Its totient is φ = 873600.

The previous prime is 1315309. The next prime is 1315367. The reversal of 1315311 is 1135131.

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

It is not a de Polignac number, because 1315311 - 2¹ = 1315309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (220038).

2^1315311 is an apocalyptic number.

1315311 is a deficient number, since it is larger than the sum of its proper divisors (444993).

1315311 is a wasteful number, since it uses less digits than its factorization.

1315311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its digits is 45, while the sum is 15.

The square root of 1315311 is about 1146.8700885453. The cubic root of 1315311 is about 109.5660867511.

The spelling of 1315311 in words is "one million, three hundred fifteen thousand, three hundred eleven".