2815319323 has 4 divisors (see below), whose sum is σ = 2980926360. Its totient is φ = 2649712288.

The previous prime is 2815319321. The next prime is 2815319369. The reversal of 2815319323 is 3239135182.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3239135182 = 2 ⋅1619567591.

It is a cyclic number.

It is not a de Polignac number, because 2815319323 - 2¹ = 2815319321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2815319321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82803493 + ... + 82803526.

It is an arithmetic number, because the mean of its divisors is an integer number (745231590).

Almost surely, 2^2815319323 is an apocalyptic number.

2815319323 is a deficient number, since it is larger than the sum of its proper divisors (165607037).

2815319323 is a wasteful number, since it uses less digits than its factorization.

2815319323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165607036.

The product of its digits is 38880, while the sum is 37.

The square root of 2815319323 is about 53059.5827631541. The cubic root of 2815319323 is about 1412.0255452783.

The spelling of 2815319323 in words is "two billion, eight hundred fifteen million, three hundred nineteen thousand, three hundred twenty-three".