203542325134 has 4 divisors (see below), whose sum is σ = 305313487704. Its totient is φ = 101771162566.

The previous prime is 203542325089. The next prime is 203542325141. The reversal of 203542325134 is 431523245302.

203542325134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 203542325134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50885581282 + ... + 50885581285.

It is an arithmetic number, because the mean of its divisors is an integer number (76328371926).

Almost surely, 2^203542325134 is an apocalyptic number.

203542325134 is a deficient number, since it is larger than the sum of its proper divisors (101771162570).

203542325134 is a wasteful number, since it uses less digits than its factorization.

203542325134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101771162569.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 203542325134 in words is "two hundred three billion, five hundred forty-two million, three hundred twenty-five thousand, one hundred thirty-four".