203404111030 has 16 divisors (see below), whose sum is σ = 366203746944. Its totient is φ = 81344678400.

The previous prime is 203404110979. The next prime is 203404111061. The reversal of 203404111030 is 30111404302.

It is a junction number, because it is equal to n+sod(n) for n = 203404110989 and 203404111007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070342 + ... + 2166361.

It is an arithmetic number, because the mean of its divisors is an integer number (22887734184).

Almost surely, 2^203404111030 is an apocalyptic number.

203404111030 is a deficient number, since it is larger than the sum of its proper divisors (162799635914).

203404111030 is a wasteful number, since it uses less digits than its factorization.

203404111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241511.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203404111030 its reverse (30111404302), we get a palindrome (233515515332).

The spelling of 203404111030 in words is "two hundred three billion, four hundred four million, one hundred eleven thousand, thirty".