2301312001021 has 4 divisors (see below), whose sum is σ = 2510522182944. Its totient is φ = 2092101819100.

The previous prime is 2301312001019. The next prime is 2301312001091. The reversal of 2301312001021 is 1201002131032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2301312001021 - 2¹ = 2301312001019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301312000986 and 2301312001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301312001091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104605090945 + ... + 104605090966.

It is an arithmetic number, because the mean of its divisors is an integer number (627630545736).

Almost surely, 2^{2301312001021} is an apocalyptic number.

It is an amenable number.

2301312001021 is a deficient number, since it is larger than the sum of its proper divisors (209210181923).

2301312001021 is a wasteful number, since it uses less digits than its factorization.

2301312001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209210181922.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2301312001021 its reverse (1201002131032), we get a palindrome (3502314132053).

The spelling of 2301312001021 in words is "two trillion, three hundred one billion, three hundred twelve million, one thousand, twenty-one".