203121020230 has 16 divisors (see below), whose sum is σ = 365632819344. Its totient is φ = 81245078560.

The previous prime is 203121020227. The next prime is 203121020257. The reversal of 203121020230 is 32020121302.

203121020230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 151981 + ... + 655240.

It is an arithmetic number, because the mean of its divisors is an integer number (22852051209).

Almost surely, 2^203121020230 is an apocalyptic number.

203121020230 is a deficient number, since it is larger than the sum of its proper divisors (162511799114).

203121020230 is a wasteful number, since it uses less digits than its factorization.

203121020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832391.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203121020230 its reverse (32020121302), we get a palindrome (235141141532).

The spelling of 203121020230 in words is "two hundred three billion, one hundred twenty-one million, twenty thousand, two hundred thirty".