202020301021131 has 16 divisors (see below), whose sum is σ = 299304746226720. Its totient is φ = 134673265559520.

The previous prime is 202020301021067. The next prime is 202020301021141. The reversal of 202020301021131 is 131120103020202.

It is not a de Polignac number, because 202020301021131 - 2⁶ = 202020301021067 is a prime.

It is a super-3 number, since 3×202020301021131³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (202020301021141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192108180 + ... + 193156913.

It is an arithmetic number, because the mean of its divisors is an integer number (18706546639170).

Almost surely, 2^{202020301021131} is an apocalyptic number.

202020301021131 is a deficient number, since it is larger than the sum of its proper divisors (97284445205589).

202020301021131 is a wasteful number, since it uses less digits than its factorization.

202020301021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385284523 (or 385284517 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 202020301021131 its reverse (131120103020202), we get a palindrome (333140404041333).

The spelling of 202020301021131 in words is "two hundred two trillion, twenty billion, three hundred one million, twenty-one thousand, one hundred thirty-one".