2103210320 has 40 divisors (see below), whose sum is σ = 5147334240. Its totient is φ = 797005440.

The previous prime is 2103210311. The next prime is 2103210331. The reversal of 2103210320 is 230123012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2103210295 and 2103210304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690326 + ... + 693365.

It is an arithmetic number, because the mean of its divisors is an integer number (128683356).

Almost surely, 2^2103210320 is an apocalyptic number.

2103210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103210320 is an abundant number, since it is smaller than the sum of its proper divisors (3044123920).

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

2103210320 is a wasteful number, since it uses less digits than its factorization.

2103210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383723 (or 1383717 counting only the distinct ones).

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

The square root of 2103210320 is about 45860.7710358210. The cubic root of 2103210320 is about 1281.2313833662.

Adding to 2103210320 its reverse (230123012), we get a palindrome (2333333332).

The spelling of 2103210320 in words is "two billion, one hundred three million, two hundred ten thousand, three hundred twenty".