203130322043 has 4 divisors (see below), whose sum is σ = 221596714968. Its totient is φ = 184663929120.

The previous prime is 203130322037. The next prime is 203130322063. The reversal of 203130322043 is 340223031302.

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

It is not a de Polignac number, because 203130322043 - 2¹⁰ = 203130321019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203130322033) 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, 9233196446 + ... + 9233196467.

It is an arithmetic number, because the mean of its divisors is an integer number (55399178742).

Almost surely, 2^203130322043 is an apocalyptic number.

203130322043 is a deficient number, since it is larger than the sum of its proper divisors (18466392925).

203130322043 is a wasteful number, since it uses less digits than its factorization.

203130322043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18466392924.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203130322043 its reverse (340223031302), we get a palindrome (543353353345).

The spelling of 203130322043 in words is "two hundred three billion, one hundred thirty million, three hundred twenty-two thousand, forty-three".