203031021032 has 32 divisors (see below), whose sum is σ = 435294129600. Its totient is φ = 86967763584.

The previous prime is 203031021001. The next prime is 203031021059. The reversal of 203031021032 is 230120130302.

It is a self number, because there is not a number n which added to its sum of digits gives 203031021032.

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, 840482 + ... + 1054737.

It is an arithmetic number, because the mean of its divisors is an integer number (13602941550).

Almost surely, 2^203031021032 is an apocalyptic number.

It is an amenable number.

203031021032 is an abundant number, since it is smaller than the sum of its proper divisors (232263108568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203031021032 is a wasteful number, since it uses less digits than its factorization.

203031021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897145 (or 1897141 counting only the distinct ones).

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

Adding to 203031021032 its reverse (230120130302), we get a palindrome (433151151334).

The spelling of 203031021032 in words is "two hundred three billion, thirty-one million, twenty-one thousand, thirty-two".