203231310204 has 48 divisors (see below), whose sum is σ = 510712503840. Its totient is φ = 62529196800.

The previous prime is 203231310071. The next prime is 203231310211. The reversal of 203231310204 is 402013132302.

It is a congruent number.

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, 4738054 + ... + 4780754.

It is an arithmetic number, because the mean of its divisors is an integer number (10639843830).

Almost surely, 2^203231310204 is an apocalyptic number.

It is an amenable number.

203231310204 is an abundant number, since it is smaller than the sum of its proper divisors (307481193636).

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

203231310204 is a wasteful number, since it uses less digits than its factorization.

203231310204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73230 (or 73228 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203231310204 its reverse (402013132302), we get a palindrome (605244442506).

The spelling of 203231310204 in words is "two hundred three billion, two hundred thirty-one million, three hundred ten thousand, two hundred four".