2103150312 has 32 divisors (see below), whose sum is σ = 5842084800. Its totient is φ = 701050032.

The previous prime is 2103150277. The next prime is 2103150319. The reversal of 2103150312 is 2130513012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2103150319) 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, 4868188 + ... + 4868619.

It is an arithmetic number, because the mean of its divisors is an integer number (182565150).

Almost surely, 2^2103150312 is an apocalyptic number.

It is an amenable number.

2103150312 is an abundant number, since it is smaller than the sum of its proper divisors (3738934488).

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

2103150312 is a wasteful number, since it uses less digits than its factorization.

2103150312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736822 (or 9736812 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2103150312 is about 45860.1167900824. The cubic root of 2103150312 is about 1281.2191980475.

Adding to 2103150312 its reverse (2130513012), we get a palindrome (4233663324).

The spelling of 2103150312 in words is "two billion, one hundred three million, one hundred fifty thousand, three hundred twelve".