2321201312103 has 16 divisors (see below), whose sum is σ = 3108517551360. Its totient is φ = 1540677587904.

The previous prime is 2321201312051. The next prime is 2321201312113. The reversal of 2321201312103 is 3012131021232.

It is not a de Polignac number, because 2321201312103 - 2¹⁴ = 2321201295719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2321201312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321201312113) 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 15 ways as a sum of consecutive naturals, for example, 7351950 + ... + 7661172.

It is an arithmetic number, because the mean of its divisors is an integer number (194282346960).

Almost surely, 2^{2321201312103} is an apocalyptic number.

2321201312103 is a deficient number, since it is larger than the sum of its proper divisors (787316239257).

2321201312103 is a wasteful number, since it uses less digits than its factorization.

2321201312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320198.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2321201312103 its reverse (3012131021232), we get a palindrome (5333332333335).

The spelling of 2321201312103 in words is "two trillion, three hundred twenty-one billion, two hundred one million, three hundred twelve thousand, one hundred three".