203234213134 has 4 divisors (see below), whose sum is σ = 304851319704. Its totient is φ = 101617106566.

The previous prime is 203234213011. The next prime is 203234213167. The reversal of 203234213134 is 431312432302.

It is a happy number.

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

It is a super-2 number, since 2×203234213134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50808553282 + ... + 50808553285.

It is an arithmetic number, because the mean of its divisors is an integer number (76212829926).

Almost surely, 2^203234213134 is an apocalyptic number.

203234213134 is a deficient number, since it is larger than the sum of its proper divisors (101617106570).

203234213134 is a wasteful number, since it uses less digits than its factorization.

203234213134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101617106569.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203234213134 its reverse (431312432302), we get a palindrome (634546645436).

The spelling of 203234213134 in words is "two hundred three billion, two hundred thirty-four million, two hundred thirteen thousand, one hundred thirty-four".