2103310303321 has 8 divisors (see below), whose sum is σ = 2105899160904. Its totient is φ = 2100721735680.

The previous prime is 2103310303273. The next prime is 2103310303361. The reversal of 2103310303321 is 1233030133012.

It can be written as a sum of positive squares in 4 ways, for example, as 212853049600 + 1890457253721 = 461360^2 + 1374939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103310303321 - 2²¹ = 2103308206169 is a prime.

It is a super-3 number, since 3×2103310303321³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103310303292 and 2103310303301.

It is not an unprimeable number, because it can be changed into a prime (2103310303361) 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, 16862235 + ... + 16986511.

It is an arithmetic number, because the mean of its divisors is an integer number (263237395113).

Almost surely, 2^{2103310303321} is an apocalyptic number.

It is an amenable number.

2103310303321 is a deficient number, since it is larger than the sum of its proper divisors (2588857583).

2103310303321 is a wasteful number, since it uses less digits than its factorization.

2103310303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144971.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 2103310303321 its reverse (1233030133012), we get a palindrome (3336340436333).

The spelling of 2103310303321 in words is "two trillion, one hundred three billion, three hundred ten million, three hundred three thousand, three hundred twenty-one".