2313212500 has 36 divisors (see below), whose sum is σ = 5059855836. Its totient is φ = 925280000.

The previous prime is 2313212479. The next prime is 2313212567. The reversal of 2313212500 is 52123132.

It can be written as a sum of positive squares in 6 ways, for example, as 2089769796 + 223442704 = 45714^2 + 14948^2 .

It is a congruent number.

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, 80029 + ... + 105028.

It is an arithmetic number, because the mean of its divisors is an integer number (140551551).

Almost surely, 2^2313212500 is an apocalyptic number.

2313212500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313212500 is an abundant number, since it is smaller than the sum of its proper divisors (2746643336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2313212500 is an equidigital number, since it uses as much as digits as its factorization.

2313212500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185086 (or 185064 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2313212500 is about 48095.8678058729. The cubic root of 2313212500 is about 1322.5289175748.

Adding to 2313212500 its reverse (52123132), we get a palindrome (2365335632).

The spelling of 2313212500 in words is "two billion, three hundred thirteen million, two hundred twelve thousand, five hundred".