203131230 has 16 divisors (see below), whose sum is σ = 487515024. Its totient is φ = 54168320.

The previous prime is 203131217. The next prime is 203131241. The reversal of 203131230 is 32131302.

203131230 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385491 + ... + 3385550.

It is an arithmetic number, because the mean of its divisors is an integer number (30469689).

Almost surely, 2^203131230 is an apocalyptic number.

203131230 is an abundant number, since it is smaller than the sum of its proper divisors (284383794).

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

203131230 is a wasteful number, since it uses less digits than its factorization.

203131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771051.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 203131230 is about 14252.4113749218. The cubic root of 203131230 is about 587.8396816390.

Adding to 203131230 its reverse (32131302), we get a palindrome (235262532).

The spelling of 203131230 in words is "two hundred three million, one hundred thirty-one thousand, two hundred thirty".