21232300113 has 12 divisors (see below), whose sum is σ = 31497767028. Its totient is φ = 13772302560.

The previous prime is 21232300097. The next prime is 21232300129. The reversal of 21232300113 is 31100323212.

21232300113 is a `hidden beast` number, since 21 + 232 + 300 + 113 = 666.

It is an interprime number because it is at equal distance from previous prime (21232300097) and next prime (21232300129).

It can be written as a sum of positive squares in 2 ways, for example, as 9694962369 + 11537337744 = 98463^2 + 107412^2 .

It is not a de Polignac number, because 21232300113 - 2⁴ = 21232300097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21232300153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31879998 + ... + 31880663.

It is an arithmetic number, because the mean of its divisors is an integer number (2624813919).

Almost surely, 2^21232300113 is an apocalyptic number.

It is an amenable number.

21232300113 is a deficient number, since it is larger than the sum of its proper divisors (10265466915).

21232300113 is a wasteful number, since it uses less digits than its factorization.

21232300113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63760704 (or 63760701 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21232300113 its reverse (31100323212), we get a palindrome (52332623325).

The spelling of 21232300113 in words is "twenty-one billion, two hundred thirty-two million, three hundred thousand, one hundred thirteen".