2303031213 has 36 divisors (see below), whose sum is σ = 3964133628. Its totient is φ = 1283909760.

The previous prime is 2303031209. The next prime is 2303031217. The reversal of 2303031213 is 3121303032.

It is an interprime number because it is at equal distance from previous prime (2303031209) and next prime (2303031217).

It can be written as a sum of positive squares in 2 ways, for example, as 287200809 + 2015830404 = 16947^2 + 44898^2 .

It is not a de Polignac number, because 2303031213 - 2² = 2303031209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303031217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45606 + ... + 81767.

It is an arithmetic number, because the mean of its divisors is an integer number (110114823).

Almost surely, 2^2303031213 is an apocalyptic number.

It is an amenable number.

2303031213 is a deficient number, since it is larger than the sum of its proper divisors (1661102415).

2303031213 is a wasteful number, since it uses less digits than its factorization.

2303031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127434 (or 127424 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2303031213 is about 47989.9074077040. The cubic root of 2303031213 is about 1320.5857541498.

Adding to 2303031213 its reverse (3121303032), we get a palindrome (5424334245).

The spelling of 2303031213 in words is "two billion, three hundred three million, thirty-one thousand, two hundred thirteen".