2103246321 has 24 divisors (see below), whose sum is σ = 3113017152. Its totient is φ = 1262052000.

The previous prime is 2103246281. The next prime is 2103246349. The reversal of 2103246321 is 1236423012.

It is not a de Polignac number, because 2103246321 - 2¹³ = 2103238129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103246291 and 2103246300.

It is not an unprimeable number, because it can be changed into a prime (2103246361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7980 + ... + 65346.

It is an arithmetic number, because the mean of its divisors is an integer number (129709048).

Almost surely, 2^2103246321 is an apocalyptic number.

It is an amenable number.

2103246321 is a deficient number, since it is larger than the sum of its proper divisors (1009770831).

2103246321 is a wasteful number, since it uses less digits than its factorization.

2103246321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57493 (or 57482 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2103246321 is about 45861.1635373548. The cubic root of 2103246321 is about 1281.2386936746.

Adding to 2103246321 its reverse (1236423012), we get a palindrome (3339669333).

The spelling of 2103246321 in words is "two billion, one hundred three million, two hundred forty-six thousand, three hundred twenty-one".