203214434100 has 72 divisors (see below), whose sum is σ = 593788640928. Its totient is φ = 53653968000.

The previous prime is 203214434081. The next prime is 203214434107. The reversal of 203214434100 is 1434412302.

It is a super-2 number, since 2×203214434100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203214434107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3323074 + ... + 3383673.

Almost surely, 2^203214434100 is an apocalyptic number.

203214434100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203214434100 is an abundant number, since it is smaller than the sum of its proper divisors (390574206828).

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

203214434100 is a wasteful number, since it uses less digits than its factorization.

203214434100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706865 (or 6706858 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203214434100 its reverse (1434412302), we get a palindrome (204648846402).

The spelling of 203214434100 in words is "two hundred three billion, two hundred fourteen million, four hundred thirty-four thousand, one hundred".