203201314439 has 4 divisors (see below), whose sum is σ = 204565081800. Its totient is φ = 201837547080.

The previous prime is 203201314397. The next prime is 203201314447. The reversal of 203201314439 is 934413102302.

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

It is a cyclic number.

It is not a de Polignac number, because 203201314439 - 2¹⁶ = 203201248903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203201314499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681883457 + ... + 681883754.

It is an arithmetic number, because the mean of its divisors is an integer number (51141270450).

Almost surely, 2^203201314439 is an apocalyptic number.

203201314439 is a deficient number, since it is larger than the sum of its proper divisors (1363767361).

203201314439 is a wasteful number, since it uses less digits than its factorization.

203201314439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363767360.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 203201314439 in words is "two hundred three billion, two hundred one million, three hundred fourteen thousand, four hundred thirty-nine".