203030234312 has 16 divisors (see below), whose sum is σ = 380686628400. Its totient is φ = 101513800080.

The previous prime is 203030234279. The next prime is 203030234377. The reversal of 203030234312 is 213432030302.

It is a super-2 number, since 2×203030234312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881639 + ... + 1087817.

It is an arithmetic number, because the mean of its divisors is an integer number (23792914275).

Almost surely, 2^203030234312 is an apocalyptic number.

It is an amenable number.

203030234312 is a deficient number, since it is larger than the sum of its proper divisors (177656394088).

203030234312 is a wasteful number, since it uses less digits than its factorization.

203030234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329276 (or 329272 counting only the distinct ones).

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

Adding to 203030234312 its reverse (213432030302), we get a palindrome (416462264614).

The spelling of 203030234312 in words is "two hundred three billion, thirty million, two hundred thirty-four thousand, three hundred twelve".