203001311982 has 192 divisors, whose sum is σ = 527463809280. Its totient is φ = 51610051584.

The previous prime is 203001311971. The next prime is 203001311987. The reversal of 203001311982 is 289113100302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203001311987) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53461708 + ... + 53465504.

It is an arithmetic number, because the mean of its divisors is an integer number (2747207340).

Almost surely, 2^203001311982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203001311982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263731904640).

203001311982 is an abundant number, since it is smaller than the sum of its proper divisors (324462497298).

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

203001311982 is a wasteful number, since it uses less digits than its factorization.

203001311982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415 (or 4408 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 203001311982 in words is "two hundred three billion, one million, three hundred eleven thousand, nine hundred eighty-two".