10203443431100 has 36 divisors (see below), whose sum is σ = 22169606434584. Its totient is φ = 4076191346880.

The previous prime is 10203443431091. The next prime is 10203443431219. The reversal of 10203443431100 is 113434430201.

It is a happy number.

It is a super-2 number, since 2×10203443431100² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10203443431100.

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 11 ways as a sum of consecutive naturals, for example, 64746227 + ... + 64903626.

Almost surely, 2^{10203443431100} is an apocalyptic number.

10203443431100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203443431100 is an abundant number, since it is smaller than the sum of its proper divisors (11966163003484).

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

10203443431100 is a wasteful number, since it uses less digits than its factorization.

10203443431100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129650654 (or 129650647 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 10203443431100 its reverse (113434430201), we get a palindrome (10316877861301).

The spelling of 10203443431100 in words is "ten trillion, two hundred three billion, four hundred forty-three million, four hundred thirty-one thousand, one hundred".