203320134 has 24 divisors (see below), whose sum is σ = 454738752. Its totient is φ = 65586960.

The previous prime is 203320129. The next prime is 203320147. The reversal of 203320134 is 431023302.

203320134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181629 + ... + 182744.

It is an arithmetic number, because the mean of its divisors is an integer number (18947448).

Almost surely, 2^203320134 is an apocalyptic number.

203320134 is an abundant number, since it is smaller than the sum of its proper divisors (251418618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203320134 is a wasteful number, since it uses less digits than its factorization.

203320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364412 (or 364409 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 203320134 is about 14259.0369240002. The cubic root of 203320134 is about 588.0218477235.

Adding to 203320134 its reverse (431023302), we get a palindrome (634343436).

The spelling of 203320134 in words is "two hundred three million, three hundred twenty thousand, one hundred thirty-four".