202134213430 has 64 divisors (see below), whose sum is σ = 372472178112. Its totient is φ = 78956951040.

The previous prime is 202134213419. The next prime is 202134213431. The reversal of 202134213430 is 34312431202.

It is a junction number, because it is equal to n+sod(n) for n = 202134213395 and 202134213404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202134213431) 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 31 ways as a sum of consecutive naturals, for example, 54970752 + ... + 54974428.

It is an arithmetic number, because the mean of its divisors is an integer number (5819877783).

Almost surely, 2^202134213430 is an apocalyptic number.

202134213430 is a deficient number, since it is larger than the sum of its proper divisors (170337964682).

202134213430 is a wasteful number, since it uses less digits than its factorization.

202134213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 202134213430 its reverse (34312431202), we get a palindrome (236446644632).

The spelling of 202134213430 in words is "two hundred two billion, one hundred thirty-four million, two hundred thirteen thousand, four hundred thirty".