23130313 has 16 divisors (see below), whose sum is σ = 24786000. Its totient is φ = 21548800.

The previous prime is 23130287. The next prime is 23130323. The reversal of 23130313 is 31303132.

It can be written as a sum of positive squares in 8 ways, for example, as 927369 + 22202944 = 963^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130313 - 2²¹ = 21033161 is a prime.

It is a super-2 number, since 2×23130313² = 1070022758955938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155163 + ... + 155311.

It is an arithmetic number, because the mean of its divisors is an integer number (1549125).

Almost surely, 2^23130313 is an apocalyptic number.

It is an amenable number.

23130313 is a deficient number, since it is larger than the sum of its proper divisors (1655687).

23130313 is a wasteful number, since it uses less digits than its factorization.

23130313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 23130313 is about 4809.3984031269. The cubic root of 23130313 is about 284.9227778881.

Adding to 23130313 its reverse (31303132), we get a palindrome (54433445).

It can be divided in two parts, 2 and 3130313, that multiplied together give a palindrome (6260626).

The spelling of 23130313 in words is "twenty-three million, one hundred thirty thousand, three hundred thirteen".