2303001309 has 16 divisors (see below), whose sum is σ = 3530354688. Its totient is φ = 1308118512.

The previous prime is 2303001307. The next prime is 2303001313. The reversal of 2303001309 is 9031003032.

It is not a de Polignac number, because 2303001309 - 2¹ = 2303001307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303001301) 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 15 ways as a sum of consecutive naturals, for example, 324837 + ... + 331850.

It is an arithmetic number, because the mean of its divisors is an integer number (220647168).

Almost surely, 2^2303001309 is an apocalyptic number.

It is an amenable number.

2303001309 is a deficient number, since it is larger than the sum of its proper divisors (1227353379).

2303001309 is a wasteful number, since it uses less digits than its factorization.

2303001309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656864.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 2303001309 is about 47989.5958411821. The cubic root of 2303001309 is about 1320.5800383541.

The spelling of 2303001309 in words is "two billion, three hundred three million, one thousand, three hundred nine".