210103131100 has 18 divisors (see below), whose sum is σ = 455923794704. Its totient is φ = 84041252400.

The previous prime is 210103131047. The next prime is 210103131107. The reversal of 210103131100 is 1131301012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103131107) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1050515556 + ... + 1050515755.

Almost surely, 2^210103131100 is an apocalyptic number.

210103131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210103131100 is an abundant number, since it is smaller than the sum of its proper divisors (245820663604).

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

210103131100 is a wasteful number, since it uses less digits than its factorization.

210103131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101031325 (or 2101031318 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 210103131100 its reverse (1131301012), we get a palindrome (211234432112).

The spelling of 210103131100 in words is "two hundred ten billion, one hundred three million, one hundred thirty-one thousand, one hundred".