2315121230 has 32 divisors (see below), whose sum is σ = 4304793600. Its totient is φ = 895520160.

The previous prime is 2315121209. The next prime is 2315121257. The reversal of 2315121230 is 321215132.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 835307 + ... + 838073.

It is an arithmetic number, because the mean of its divisors is an integer number (134524800).

Almost surely, 2^2315121230 is an apocalyptic number.

2315121230 is a deficient number, since it is larger than the sum of its proper divisors (1989672370).

2315121230 is a wasteful number, since it uses less digits than its factorization.

2315121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2315121230 is about 48115.7066871100. The cubic root of 2315121230 is about 1322.8925758527.

Adding to 2315121230 its reverse (321215132), we get a palindrome (2636336362).

The spelling of 2315121230 in words is "two billion, three hundred fifteen million, one hundred twenty-one thousand, two hundred thirty".