2312135505 has 12 divisors (see below), whose sum is σ = 4007701620. Its totient is φ = 1233138912.

The previous prime is 2312135491. The next prime is 2312135557. The reversal of 2312135505 is 5055312132.

It is a happy number.

2312135505 is a `hidden beast` number, since 2 + 3 + 121 + 35 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 238517136 + 2073618369 = 15444^2 + 45537^2 .

It is not a de Polignac number, because 2312135505 - 2⁴ = 2312135489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25690350 + ... + 25690439.

It is an arithmetic number, because the mean of its divisors is an integer number (333975135).

Almost surely, 2^2312135505 is an apocalyptic number.

It is an amenable number.

2312135505 is a deficient number, since it is larger than the sum of its proper divisors (1695566115).

2312135505 is a wasteful number, since it uses less digits than its factorization.

2312135505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51380800 (or 51380797 counting only the distinct ones).

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

The square root of 2312135505 is about 48084.6701662806. The cubic root of 2312135505 is about 1322.3236362267.

Adding to 2312135505 its reverse (5055312132), we get a palindrome (7367447637).

The spelling of 2312135505 in words is "two billion, three hundred twelve million, one hundred thirty-five thousand, five hundred five".