20000131330311 has 48 divisors (see below), whose sum is σ = 33179537664000. Its totient is φ = 11481433413120.

The previous prime is 20000131330271. The next prime is 20000131330321. The reversal of 20000131330311 is 11303313100002.

It is a happy number.

20000131330311 is a `hidden beast` number, since 20 + 0 + 0 + 0 + 1 + 3 + 1 + 330 + 311 = 666.

It is not a de Polignac number, because 20000131330311 - 2¹¹ = 20000131328263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000131330321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10560055 + ... + 12309143.

It is an arithmetic number, because the mean of its divisors is an integer number (691240368000).

Almost surely, 2^{20000131330311} is an apocalyptic number.

20000131330311 is a deficient number, since it is larger than the sum of its proper divisors (13179406333689).

20000131330311 is a wasteful number, since it uses less digits than its factorization.

20000131330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755204 (or 1755201 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 20000131330311 its reverse (11303313100002), we get a palindrome (31303444430313).

The spelling of 20000131330311 in words is "twenty trillion, one hundred thirty-one million, three hundred thirty thousand, three hundred eleven".