203030512104 has 64 divisors (see below), whose sum is σ = 581533971840. Its totient is φ = 57864038400.

The previous prime is 203030512099. The next prime is 203030512127. The reversal of 203030512104 is 401215030302.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1439509 + ... + 1574244.

It is an arithmetic number, because the mean of its divisors is an integer number (9086468310).

Almost surely, 2^203030512104 is an apocalyptic number.

203030512104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203030512104 is an abundant number, since it is smaller than the sum of its proper divisors (378503459736).

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

203030512104 is a wasteful number, since it uses less digits than its factorization.

203030512104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014170 (or 3014166 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 203030512104 its reverse (401215030302), we get a palindrome (604245542406).

The spelling of 203030512104 in words is "two hundred three billion, thirty million, five hundred twelve thousand, one hundred four".