20113000311 has 16 divisors (see below), whose sum is σ = 27546413408. Its totient is φ = 13044240000.

The previous prime is 20113000309. The next prime is 20113000321. The reversal of 20113000311 is 11300031102.

It is not a de Polignac number, because 20113000311 - 2¹ = 20113000309 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 (20113000321) 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 15 ways as a sum of consecutive naturals, for example, 1089861 + ... + 1108161.

It is an arithmetic number, because the mean of its divisors is an integer number (1721650838).

Almost surely, 2^20113000311 is an apocalyptic number.

20113000311 is a deficient number, since it is larger than the sum of its proper divisors (7433413097).

20113000311 is a wasteful number, since it uses less digits than its factorization.

20113000311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28242.

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

Adding to 20113000311 its reverse (11300031102), we get a palindrome (31413031413).

The spelling of 20113000311 in words is "twenty billion, one hundred thirteen million, three hundred eleven", and thus it is an aban number.