203430010034 has 16 divisors (see below), whose sum is σ = 305847706680. Its totient is φ = 101480970240.

The previous prime is 203430010019. The next prime is 203430010067. The reversal of 203430010034 is 430010034302.

It can be written as a sum of positive squares in 4 ways, for example, as 124273875625 + 79156134409 = 352525^2 + 281347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203430009988 and 203430010015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083754 + ... + 2179194.

Almost surely, 2^203430010034 is an apocalyptic number.

203430010034 is a deficient number, since it is larger than the sum of its proper divisors (102417696646).

203430010034 is a wasteful number, since it uses less digits than its factorization.

203430010034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97885.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203430010034 its reverse (430010034302), we get a palindrome (633440044336).

The spelling of 203430010034 in words is "two hundred three billion, four hundred thirty million, ten thousand, thirty-four".