203231000010 has 256 divisors, whose sum is σ = 538289307648. Its totient is φ = 48980505600.

The previous prime is 203231000003. The next prime is 203231000017. The reversal of 203231000010 is 10000132302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (203231000003) and next prime (203231000017).

It is a self number, because there is not a number n which added to its sum of digits gives 203231000010.

It is not an unprimeable number, because it can be changed into a prime (203231000017) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 85714125 + ... + 85716495.

It is an arithmetic number, because the mean of its divisors is an integer number (2102692608).

Almost surely, 2^203231000010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203231000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269144653824).

203231000010 is an abundant number, since it is smaller than the sum of its proper divisors (335058307638).

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

203231000010 is a wasteful number, since it uses less digits than its factorization.

203231000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

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

Adding to 203231000010 its reverse (10000132302), we get a palindrome (213231132312).

The spelling of 203231000010 in words is "two hundred three billion, two hundred thirty-one million, ten", and thus it is an aban number.