202000131243 has 48 divisors (see below), whose sum is σ = 311241359520. Its totient is φ = 126032105472.

The previous prime is 202000131239. The next prime is 202000131323. The reversal of 202000131243 is 342131000202.

It is not a de Polignac number, because 202000131243 - 2² = 202000131239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202000131233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1060171 + ... + 1236107.

It is an arithmetic number, because the mean of its divisors is an integer number (6484194990).

Almost surely, 2^202000131243 is an apocalyptic number.

202000131243 is a deficient number, since it is larger than the sum of its proper divisors (109241228277).

202000131243 is a wasteful number, since it uses less digits than its factorization.

202000131243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176108 (or 176105 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202000131243 its reverse (342131000202), we get a palindrome (544131131445).

The spelling of 202000131243 in words is "two hundred two billion, one hundred thirty-one thousand, two hundred forty-three".