2303121031009 has 4 divisors (see below), whose sum is σ = 2318373488320. Its totient is φ = 2287868573700.

The previous prime is 2303121031007. The next prime is 2303121031033. The reversal of 2303121031009 is 9001301213032.

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 2303121031009 - 2¹ = 2303121031007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2303121031007) 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, 7626228429 + ... + 7626228730.

It is an arithmetic number, because the mean of its divisors is an integer number (579593372080).

Almost surely, 2^{2303121031009} is an apocalyptic number.

It is an amenable number.

2303121031009 is a deficient number, since it is larger than the sum of its proper divisors (15252457311).

2303121031009 is a wasteful number, since it uses less digits than its factorization.

2303121031009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15252457310.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 2303121031009 in words is "two trillion, three hundred three billion, one hundred twenty-one million, thirty-one thousand, nine".