100203210023231 has 16 divisors (see below), whose sum is σ = 116100058747200. Its totient is φ = 84702158327808.

The previous prime is 100203210023219. The next prime is 100203210023251. The reversal of 100203210023231 is 132320012302001.

It is a de Polignac number, because none of the positive numbers 2^k-100203210023231 is a prime.

It is a super-2 number, since 2×100203210023231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203210023251) 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 15 ways as a sum of consecutive naturals, for example, 6843866 + ... + 15724023.

It is an arithmetic number, because the mean of its divisors is an integer number (7256253671700).

Almost surely, 2^{100203210023231} is an apocalyptic number.

100203210023231 is a deficient number, since it is larger than the sum of its proper divisors (15896848723969).

100203210023231 is an equidigital number, since it uses as much as digits as its factorization.

100203210023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22576658.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100203210023231 its reverse (132320012302001), we get a palindrome (232523222325232).

The spelling of 100203210023231 in words is "one hundred trillion, two hundred three billion, two hundred ten million, twenty-three thousand, two hundred thirty-one".