20011100313 has 32 divisors (see below), whose sum is σ = 28031893504. Its totient is φ = 12685159872.

The previous prime is 20011100243. The next prime is 20011100327. The reversal of 20011100313 is 31300111002.

It is not a de Polignac number, because 20011100313 - 2¹⁰ = 20011099289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011100513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 933906 + ... + 955092.

It is an arithmetic number, because the mean of its divisors is an integer number (875996672).

Almost surely, 2^20011100313 is an apocalyptic number.

It is an amenable number.

20011100313 is a deficient number, since it is larger than the sum of its proper divisors (8020793191).

20011100313 is a wasteful number, since it uses less digits than its factorization.

20011100313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21421.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20011100313 its reverse (31300111002), we get a palindrome (51311211315).

The spelling of 20011100313 in words is "twenty billion, eleven million, one hundred thousand, three hundred thirteen".