203202430134 has 32 divisors (see below), whose sum is σ = 444606758784. Its totient is φ = 61402049280.

The previous prime is 203202430111. The next prime is 203202430169. The reversal of 203202430134 is 431034202302.

It is a super-3 number, since 3×203202430134³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4337644 + ... + 4384239.

It is an arithmetic number, because the mean of its divisors is an integer number (13893961212).

Almost surely, 2^203202430134 is an apocalyptic number.

203202430134 is an abundant number, since it is smaller than the sum of its proper divisors (241404328650).

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

203202430134 is a wasteful number, since it uses less digits than its factorization.

203202430134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722252.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203202430134 its reverse (431034202302), we get a palindrome (634236632436).

It can be divided in two parts, 203202 and 430134, that added together give a palindrome (633336).

The spelling of 203202430134 in words is "two hundred three billion, two hundred two million, four hundred thirty thousand, one hundred thirty-four".