203130021032 has 16 divisors (see below), whose sum is σ = 381517637760. Its totient is φ = 101391984304.

The previous prime is 203130020993. The next prime is 203130021077. The reversal of 203130021032 is 230120031302.

It is a self number, because there is not a number n which added to its sum of digits gives 203130021032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21623288 + ... + 21632679.

It is an arithmetic number, because the mean of its divisors is an integer number (23844852360).

Almost surely, 2^203130021032 is an apocalyptic number.

It is an amenable number.

203130021032 is a deficient number, since it is larger than the sum of its proper divisors (178387616728).

203130021032 is a wasteful number, since it uses less digits than its factorization.

203130021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43256560 (or 43256556 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203130021032 its reverse (230120031302), we get a palindrome (433250052334).

The spelling of 203130021032 in words is "two hundred three billion, one hundred thirty million, twenty-one thousand, thirty-two".