20003131022311 has 8 divisors (see below), whose sum is σ = 20037362400000. Its totient is φ = 19968911396280.

The previous prime is 20003131022299. The next prime is 20003131022341. The reversal of 20003131022311 is 11322013130002.

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 20003131022311 - 2⁷ = 20003131022183 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 (20003131022341) 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, 472690 + ... + 6342688.

It is an arithmetic number, because the mean of its divisors is an integer number (2504670300000).

Almost surely, 2^{20003131022311} is an apocalyptic number.

20003131022311 is a deficient number, since it is larger than the sum of its proper divisors (34231377689).

20003131022311 is an equidigital number, since it uses as much as digits as its factorization.

20003131022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875829.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20003131022311 its reverse (11322013130002), we get a palindrome (31325144152313).

The spelling of 20003131022311 in words is "twenty trillion, three billion, one hundred thirty-one million, twenty-two thousand, three hundred eleven".