2301012321 has 4 divisors (see below), whose sum is σ = 3068016432. Its totient is φ = 1534008212.

The previous prime is 2301012313. The next prime is 2301012359. The reversal of 2301012321 is 1232101032.

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 2301012321 - 2³ = 2301012313 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2301012321.

It is not an unprimeable number, because it can be changed into a prime (2301012421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383502051 + ... + 383502056.

It is an arithmetic number, because the mean of its divisors is an integer number (767004108).

Almost surely, 2^2301012321 is an apocalyptic number.

It is an amenable number.

2301012321 is a deficient number, since it is larger than the sum of its proper divisors (767004111).

2301012321 is an equidigital number, since it uses as much as digits as its factorization.

2301012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767004110.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2301012321 is about 47968.8682480627. The cubic root of 2301012321 is about 1320.1997556969.

Adding to 2301012321 its reverse (1232101032), we get a palindrome (3533113353).

The spelling of 2301012321 in words is "two billion, three hundred one million, twelve thousand, three hundred twenty-one".