21032310113 has 8 divisors (see below), whose sum is σ = 21523788000. Its totient is φ = 20540939328.

The previous prime is 21032310097. The next prime is 21032310119. The reversal of 21032310113 is 31101323012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21032310113 - 2⁴ = 21032310097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21032310091 and 21032310100.

It is not an unprimeable number, because it can be changed into a prime (21032310119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482153 + ... + 523961.

It is an arithmetic number, because the mean of its divisors is an integer number (2690473500).

Almost surely, 2^21032310113 is an apocalyptic number.

It is an amenable number.

21032310113 is a deficient number, since it is larger than the sum of its proper divisors (491477887).

21032310113 is a wasteful number, since it uses less digits than its factorization.

21032310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53551.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21032310113 its reverse (31101323012), we get a palindrome (52133633125).

The spelling of 21032310113 in words is "twenty-one billion, thirty-two million, three hundred ten thousand, one hundred thirteen".