203003030203100 has 72 divisors (see below), whose sum is σ = 442525666627968. Its totient is φ = 80830928160000.

The previous prime is 203003030203097. The next prime is 203003030203111. The reversal of 203003030203100 is 1302030300302.

It is a super-2 number, since 2×203003030203100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298413350 + ... + 299092850.

Almost surely, 2^{203003030203100} is an apocalyptic number.

203003030203100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203003030203100 is an abundant number, since it is smaller than the sum of its proper divisors (239522636424868).

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

203003030203100 is a wasteful number, since it uses less digits than its factorization.

203003030203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693135 (or 693128 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 203003030203100 its reverse (1302030300302), we get a palindrome (204305060503402).

The spelling of 203003030203100 in words is "two hundred three trillion, three billion, thirty million, two hundred three thousand, one hundred".