20312100311 has 8 divisors (see below), whose sum is σ = 20658424800. Its totient is φ = 19966206240.

The previous prime is 20312100307. The next prime is 20312100379. The reversal of 20312100311 is 11300121302.

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 20312100311 - 2² = 20312100307 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 (20312105311) 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, 11696 + ... + 201893.

It is an arithmetic number, because the mean of its divisors is an integer number (2582303100).

Almost surely, 2^20312100311 is an apocalyptic number.

20312100311 is a deficient number, since it is larger than the sum of its proper divisors (346324489).

20312100311 is a wasteful number, since it uses less digits than its factorization.

20312100311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215209.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20312100311 its reverse (11300121302), we get a palindrome (31612221613).

The spelling of 20312100311 in words is "twenty billion, three hundred twelve million, one hundred thousand, three hundred eleven".