203101032030 has 128 divisors (see below), whose sum is σ = 528481134720. Its totient is φ = 49657743360.

The previous prime is 203101031971. The next prime is 203101032047. The reversal of 203101032030 is 30230101302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41169444 + ... + 41174376.

It is an arithmetic number, because the mean of its divisors is an integer number (4128758865).

Almost surely, 2^203101032030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203101032030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264240567360).

203101032030 is an abundant number, since it is smaller than the sum of its proper divisors (325380102690).

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

203101032030 is a wasteful number, since it uses less digits than its factorization.

203101032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 203101032030 its reverse (30230101302), we get a palindrome (233331133332).

The spelling of 203101032030 in words is "two hundred three billion, one hundred one million, thirty-two thousand, thirty".