202023131311 has 8 divisors (see below), whose sum is σ = 202824594720. Its totient is φ = 201221787648.

The previous prime is 202023131291. The next prime is 202023131341. The reversal of 202023131311 is 113131320202.

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 202023131311 - 2¹³ = 202023123119 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 (202023131341) 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, 5039595 + ... + 5079523.

It is an arithmetic number, because the mean of its divisors is an integer number (25353074340).

Almost surely, 2^202023131311 is an apocalyptic number.

202023131311 is a deficient number, since it is larger than the sum of its proper divisors (801463409).

202023131311 is a wasteful number, since it uses less digits than its factorization.

202023131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59873.

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

Adding to 202023131311 its reverse (113131320202), we get a palindrome (315154451513).

It can be divided in two parts, 20202 and 3131311, that added together give a palindrome (3151513).

The spelling of 202023131311 in words is "two hundred two billion, twenty-three million, one hundred thirty-one thousand, three hundred eleven".