2103200312 has 32 divisors (see below), whose sum is σ = 3964360320. Its totient is φ = 1046054880.

The previous prime is 2103200311. The next prime is 2103200353. The reversal of 2103200312 is 2130023012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103200311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795487 + ... + 1796657.

It is an arithmetic number, because the mean of its divisors is an integer number (123886260).

Almost surely, 2^2103200312 is an apocalyptic number.

It is an amenable number.

2103200312 is a deficient number, since it is larger than the sum of its proper divisors (1861160008).

2103200312 is a wasteful number, since it uses less digits than its factorization.

2103200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2103200312 is about 45860.6619228288. The cubic root of 2103200312 is about 1281.2293511421.

Adding to 2103200312 its reverse (2130023012), we get a palindrome (4233223324).

The spelling of 2103200312 in words is "two billion, one hundred three million, two hundred thousand, three hundred twelve".