203112003030 has 16 divisors (see below), whose sum is σ = 487468807344. Its totient is φ = 54163200800.

The previous prime is 203112003023. The next prime is 203112003043. The reversal of 203112003030 is 30300211302.

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, 3385200021 + ... + 3385200080.

It is an arithmetic number, because the mean of its divisors is an integer number (30466800459).

Almost surely, 2^203112003030 is an apocalyptic number.

203112003030 is an abundant number, since it is smaller than the sum of its proper divisors (284356804314).

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

203112003030 is a wasteful number, since it uses less digits than its factorization.

203112003030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770400111.

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

Adding to 203112003030 its reverse (30300211302), we get a palindrome (233412214332).

The spelling of 203112003030 in words is "two hundred three billion, one hundred twelve million, three thousand, thirty".