2313303021 has 12 divisors (see below), whose sum is σ = 3344762460. Its totient is φ = 1540667520.

The previous prime is 2313303007. The next prime is 2313303077. The reversal of 2313303021 is 1203033132.

2313303021 is a `hidden beast` number, since 2 + 31 + 330 + 302 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1275561225 + 1037741796 = 35715^2 + 32214^2 .

It is not a de Polignac number, because 2313303021 - 2⁵ = 2313302989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2313302985 and 2313303003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313303721) 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 11 ways as a sum of consecutive naturals, for example, 118290 + ... + 136451.

It is an arithmetic number, because the mean of its divisors is an integer number (278730205).

Almost surely, 2^2313303021 is an apocalyptic number.

It is an amenable number.

2313303021 is a deficient number, since it is larger than the sum of its proper divisors (1031459439).

2313303021 is a wasteful number, since it uses less digits than its factorization.

2313303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255756 (or 255753 counting only the distinct ones).

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

The square root of 2313303021 is about 48096.8088442466. The cubic root of 2313303021 is about 1322.5461684872.

Adding to 2313303021 its reverse (1203033132), we get a palindrome (3516336153).

The spelling of 2313303021 in words is "two billion, three hundred thirteen million, three hundred three thousand, twenty-one".