2315210205 has 32 divisors (see below), whose sum is σ = 4618395648. Its totient is φ = 962164800.

The previous prime is 2315210203. The next prime is 2315210237. The reversal of 2315210205 is 5020125132.

It is not a de Polignac number, because 2315210205 - 2¹ = 2315210203 is a prime.

It is a super-2 number, since 2×2315210205² = 10720396586672284050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315210201) 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, 1001101 + ... + 1003410.

It is an arithmetic number, because the mean of its divisors is an integer number (144324864).

Almost surely, 2^2315210205 is an apocalyptic number.

It is an amenable number.

2315210205 is a deficient number, since it is larger than the sum of its proper divisors (2303185443).

2315210205 is a wasteful number, since it uses less digits than its factorization.

2315210205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004537.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2315210205 is about 48116.6312723574. The cubic root of 2315210205 is about 1322.9095228211.

Adding to 2315210205 its reverse (5020125132), we get a palindrome (7335335337).

The spelling of 2315210205 in words is "two billion, three hundred fifteen million, two hundred ten thousand, two hundred five".