21130203230313 has 32 divisors (see below), whose sum is σ = 29549214979200. Its totient is φ = 13413055520256.

The previous prime is 21130203230299. The next prime is 21130203230327. The reversal of 21130203230313 is 31303230203112.

It is an interprime number because it is at equal distance from previous prime (21130203230299) and next prime (21130203230327).

It is not a de Polignac number, because 21130203230313 - 2⁸ = 21130203230057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21130203237313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1395333 + ... + 6648861.

It is an arithmetic number, because the mean of its divisors is an integer number (923412968100).

Almost surely, 2^{21130203230313} is an apocalyptic number.

It is an amenable number.

21130203230313 is a deficient number, since it is larger than the sum of its proper divisors (8419011748887).

21130203230313 is a wasteful number, since it uses less digits than its factorization.

21130203230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254201.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21130203230313 its reverse (31303230203112), we get a palindrome (52433433433425).

The spelling of 21130203230313 in words is "twenty-one trillion, one hundred thirty billion, two hundred three million, two hundred thirty thousand, three hundred thirteen".