20113303313 has 8 divisors (see below), whose sum is σ = 21297704832. Its totient is φ = 18929042496.

The previous prime is 20113303261. The next prime is 20113303333. The reversal of 20113303313 is 31330331102.

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

It is a de Polignac number, because none of the positive numbers 2^k-20113303313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113303333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452156 + ... + 494642.

It is an arithmetic number, because the mean of its divisors is an integer number (2662213104).

Almost surely, 2^20113303313 is an apocalyptic number.

It is an amenable number.

20113303313 is a deficient number, since it is larger than the sum of its proper divisors (1184401519).

20113303313 is a wasteful number, since it uses less digits than its factorization.

20113303313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70351.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20113303313 its reverse (31330331102), we get a palindrome (51443634415).

The spelling of 20113303313 in words is "twenty billion, one hundred thirteen million, three hundred three thousand, three hundred thirteen".