203031201000 has 64 divisors (see below), whose sum is σ = 633457356480. Its totient is φ = 54141652800.

The previous prime is 203031200993. The next prime is 203031201101. The reversal of 203031201000 is 102130302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33835534 + ... + 33841533.

It is an arithmetic number, because the mean of its divisors is an integer number (9897771195).

Almost surely, 2^203031201000 is an apocalyptic number.

203031201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203031201000 is an abundant number, since it is smaller than the sum of its proper divisors (430426155480).

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

203031201000 is a wasteful number, since it uses less digits than its factorization.

203031201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67677091 (or 67677077 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 203031201000 its reverse (102130302), we get a palindrome (203133331302).

The spelling of 203031201000 in words is "two hundred three billion, thirty-one million, two hundred one thousand".