20133311201131 has 4 divisors (see below), whose sum is σ = 20245787800200. Its totient is φ = 20020834602064.

The previous prime is 20133311201099. The next prime is 20133311201161. The reversal of 20133311201131 is 13110211333102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20133311201131 - 2⁵ = 20133311201099 is a prime.

It is a super-2 number, since 2×20133311201131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133311201161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56238299266 + ... + 56238299623.

It is an arithmetic number, because the mean of its divisors is an integer number (5061446950050).

Almost surely, 2^{20133311201131} is an apocalyptic number.

20133311201131 is a deficient number, since it is larger than the sum of its proper divisors (112476599069).

20133311201131 is a wasteful number, since it uses less digits than its factorization.

20133311201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112476599068.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20133311201131 its reverse (13110211333102), we get a palindrome (33243522534233).

The spelling of 20133311201131 in words is "twenty trillion, one hundred thirty-three billion, three hundred eleven million, two hundred one thousand, one hundred thirty-one".