2309215315 has 32 divisors (see below), whose sum is σ = 3204956160. Its totient is φ = 1578585600.

The previous prime is 2309215313. The next prime is 2309215343. The reversal of 2309215315 is 5135129032.

It is not a de Polignac number, because 2309215315 - 2¹ = 2309215313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2309215313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1194900 + ... + 1196830.

It is an arithmetic number, because the mean of its divisors is an integer number (100154880).

Almost surely, 2^2309215315 is an apocalyptic number.

2309215315 is a deficient number, since it is larger than the sum of its proper divisors (895740845).

2309215315 is a wasteful number, since it uses less digits than its factorization.

2309215315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 2309215315 is about 48054.2954895814. The cubic root of 2309215315 is about 1321.7667105280.

The spelling of 2309215315 in words is "two billion, three hundred nine million, two hundred fifteen thousand, three hundred fifteen".