2303013121 has 4 divisors (see below), whose sum is σ = 2308332292. Its totient is φ = 2297693952.

The previous prime is 2303013079. The next prime is 2303013127. The reversal of 2303013121 is 1213103032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310640625 + 1992372496 = 17625^2 + 44636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303013121 - 2⁷ = 2303012993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303013095 and 2303013104.

It is not an unprimeable number, because it can be changed into a prime (2303013127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658936 + ... + 2659801.

It is an arithmetic number, because the mean of its divisors is an integer number (577083073).

Almost surely, 2^2303013121 is an apocalyptic number.

It is an amenable number.

2303013121 is a deficient number, since it is larger than the sum of its proper divisors (5319171).

2303013121 is an equidigital number, since it uses as much as digits as its factorization.

2303013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319170.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2303013121 is about 47989.7189093664. The cubic root of 2303013121 is about 1320.5822960840.

Adding to 2303013121 its reverse (1213103032), we get a palindrome (3516116153).

The spelling of 2303013121 in words is "two billion, three hundred three million, thirteen thousand, one hundred twenty-one".