203201131000 has 128 divisors (see below), whose sum is σ = 543650889600. Its totient is φ = 69639091200.

The previous prime is 203201130919. The next prime is 203201131043. The reversal of 203201131000 is 131102302.

It is a super-2 number, since 2×203201131000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21758332 + ... + 21767668.

It is an arithmetic number, because the mean of its divisors is an integer number (4247272575).

Almost surely, 2^203201131000 is an apocalyptic number.

203201131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203201131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271825444800).

203201131000 is an abundant number, since it is smaller than the sum of its proper divisors (340449758600).

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

203201131000 is a wasteful number, since it uses less digits than its factorization.

203201131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474 (or 12460 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 203201131000 its reverse (131102302), we get a palindrome (203332233302).

The spelling of 203201131000 in words is "two hundred three billion, two hundred one million, one hundred thirty-one thousand".