203144323112 has 32 divisors (see below), whose sum is σ = 394687286400. Its totient is φ = 97954182144.

The previous prime is 203144323099. The next prime is 203144323199. The reversal of 203144323112 is 211323441302.

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, 3710393 + ... + 3764744.

It is an arithmetic number, because the mean of its divisors is an integer number (12333977700).

Almost surely, 2^203144323112 is an apocalyptic number.

It is an amenable number.

203144323112 is a deficient number, since it is larger than the sum of its proper divisors (191542963288).

203144323112 is a wasteful number, since it uses less digits than its factorization.

203144323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475265 (or 7475261 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 203144323112 its reverse (211323441302), we get a palindrome (414467764414).

The spelling of 203144323112 in words is "two hundred three billion, one hundred forty-four million, three hundred twenty-three thousand, one hundred twelve".