1331315 has 8 divisors (see below), whose sum is σ = 1609200. Its totient is φ = 1057312.

The previous prime is 1331299. The next prime is 1331327. The reversal of 1331315 is 5131331.

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 1331315 - 2⁴ = 1331299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331293 and 1331302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (201150).

2^1331315 is an apocalyptic number.

1331315 is a deficient number, since it is larger than the sum of its proper divisors (277885).

1331315 is a wasteful number, since it uses less digits than its factorization.

1331315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its digits is 135, while the sum is 17.

The square root of 1331315 is about 1153.8262434180. The cubic root of 1331315 is about 110.0086770015.

Adding to 1331315 its reverse (5131331), we get a palindrome (6462646).

The spelling of 1331315 in words is "one million, three hundred thirty-one thousand, three hundred fifteen".