2103321213 has 24 divisors (see below), whose sum is σ = 3473860416. Its totient is φ = 1201305600.

The previous prime is 2103321137. The next prime is 2103321229. The reversal of 2103321213 is 3121233012.

2103321213 is a `hidden beast` number, since 210 + 332 + 121 + 3 = 666.

It is not a de Polignac number, because 2103321213 - 2¹³ = 2103313021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103321293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142333 + ... + 156413.

It is an arithmetic number, because the mean of its divisors is an integer number (144744184).

Almost surely, 2^2103321213 is an apocalyptic number.

It is an amenable number.

2103321213 is a deficient number, since it is larger than the sum of its proper divisors (1370539203).

2103321213 is a wasteful number, since it uses less digits than its factorization.

2103321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16465 (or 16462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2103321213 is about 45861.9800379356. The cubic root of 2103321213 is about 1281.2539008630.

Adding to 2103321213 its reverse (3121233012), we get a palindrome (5224554225).

The spelling of 2103321213 in words is "two billion, one hundred three million, three hundred twenty-one thousand, two hundred thirteen".