203311211312230 has 16 divisors (see below), whose sum is σ = 418240206128160. Its totient is φ = 69706701021312.

The previous prime is 203311211312173. The next prime is 203311211312263. The reversal of 203311211312230 is 32213112113302.

It is a junction number, because it is equal to n+sod(n) for n = 203311211312195 and 203311211312204.

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 in 7 ways as a sum of consecutive naturals, for example, 1452222937875 + ... + 1452222938014.

It is an arithmetic number, because the mean of its divisors is an integer number (26140012883010).

Almost surely, 2^{203311211312230} is an apocalyptic number.

203311211312230 is an abundant number, since it is smaller than the sum of its proper divisors (214928994815930).

203311211312230 is a wasteful number, since it uses less digits than its factorization.

203311211312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904445875903.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 203311211312230 its reverse (32213112113302), we get a palindrome (235524323425532).

The spelling of 203311211312230 in words is "two hundred three trillion, three hundred eleven billion, two hundred eleven million, three hundred twelve thousand, two hundred thirty".