2321315505 has 24 divisors (see below), whose sum is σ = 4032453672. Its totient is φ = 1235314944.

The previous prime is 2321315489. The next prime is 2321315593. The reversal of 2321315505 is 5055131232.

It is a happy number.

2321315505 is a `hidden beast` number, since 23 + 2 + 131 + 5 + 505 = 666.

2321315505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 118984464 + 2202331041 = 10908^2 + 46929^2 .

It is not a de Polignac number, because 2321315505 - 2⁴ = 2321315489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35874 + ... + 77003.

It is an arithmetic number, because the mean of its divisors is an integer number (168018903).

Almost surely, 2^2321315505 is an apocalyptic number.

It is an amenable number.

2321315505 is a deficient number, since it is larger than the sum of its proper divisors (1711138167).

2321315505 is a wasteful number, since it uses less digits than its factorization.

2321315505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113345 (or 113342 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 2321315505 is about 48180.0322229033. The cubic root of 2321315505 is about 1324.0713568954.

Adding to 2321315505 its reverse (5055131232), we get a palindrome (7376446737).

The spelling of 2321315505 in words is "two billion, three hundred twenty-one million, three hundred fifteen thousand, five hundred five".