1331343315 has 12 divisors (see below), whose sum is σ = 2307661824. Its totient is φ = 710049744.

The previous prime is 1331343301. The next prime is 1331343337. The reversal of 1331343315 is 5133431331.

1331343315 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 343 + 315 = 666.

It is not a de Polignac number, because 1331343315 - 2²⁰ = 1330294739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14792659 + ... + 14792748.

It is an arithmetic number, because the mean of its divisors is an integer number (192305152).

Almost surely, 2^1331343315 is an apocalyptic number.

1331343315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1331343315 is a deficient number, since it is larger than the sum of its proper divisors (976318509).

1331343315 is a wasteful number, since it uses less digits than its factorization.

1331343315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29585418 (or 29585415 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 1331343315 is about 36487.5775435969. The cubic root of 1331343315 is about 1100.0945690045.

Adding to 1331343315 its reverse (5133431331), we get a palindrome (6464774646).

The spelling of 1331343315 in words is "one billion, three hundred thirty-one million, three hundred forty-three thousand, three hundred fifteen".