21113032310303 has 8 divisors (see below), whose sum is σ = 21846736610400. Its totient is φ = 20379705923808.

The previous prime is 21113032310269. The next prime is 21113032310413. The reversal of 21113032310303 is 30301323031112.

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 21113032310303 - 2¹⁴ = 21113032293919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113032610303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94364723 + ... + 94588196.

It is an arithmetic number, because the mean of its divisors is an integer number (2730842076300).

Almost surely, 2^{21113032310303} is an apocalyptic number.

21113032310303 is a deficient number, since it is larger than the sum of its proper divisors (733704300097).

21113032310303 is a wasteful number, since it uses less digits than its factorization.

21113032310303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188956801.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21113032310303 its reverse (30301323031112), we get a palindrome (51414355341415).

The spelling of 21113032310303 in words is "twenty-one trillion, one hundred thirteen billion, thirty-two million, three hundred ten thousand, three hundred three".