2315021012 has 12 divisors (see below), whose sum is σ = 4093053300. Its totient is φ = 1145577216.

The previous prime is 2315021011. The next prime is 2315021017. The reversal of 2315021012 is 2101205132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1533035716 + 781985296 = 39154^2 + 27964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982887 + ... + 2983662.

It is an arithmetic number, because the mean of its divisors is an integer number (341087775).

Almost surely, 2^2315021012 is an apocalyptic number.

It is an amenable number.

2315021012 is a deficient number, since it is larger than the sum of its proper divisors (1778032288).

2315021012 is a wasteful number, since it uses less digits than its factorization.

2315021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966650 (or 5966648 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2315021012 is about 48114.6652487576. The cubic root of 2315021012 is about 1322.8734869227.

Adding to 2315021012 its reverse (2101205132), we get a palindrome (4416226144).

The spelling of 2315021012 in words is "two billion, three hundred fifteen million, twenty-one thousand, twelve".