202434243111 has 6 divisors (see below), whose sum is σ = 292405017840. Its totient is φ = 134956162068.

The previous prime is 202434243059. The next prime is 202434243139. The reversal of 202434243111 is 111342434202.

202434243111 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 342 + 4 + 311 + 1 = 666.

It is not a de Polignac number, because 202434243111 - 2¹⁵ = 202434210343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202434243161) 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 5 ways as a sum of consecutive naturals, for example, 11246346831 + ... + 11246346848.

It is an arithmetic number, because the mean of its divisors is an integer number (48734169640).

Almost surely, 2^202434243111 is an apocalyptic number.

202434243111 is a deficient number, since it is larger than the sum of its proper divisors (89970774729).

202434243111 is a wasteful number, since it uses less digits than its factorization.

202434243111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22492693685 (or 22492693682 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 202434243111 its reverse (111342434202), we get a palindrome (313776677313).

The spelling of 202434243111 in words is "two hundred two billion, four hundred thirty-four million, two hundred forty-three thousand, one hundred eleven".