100203310143 has 12 divisors (see below), whose sum is σ = 150098785928. Its totient is φ = 66802206600.

The previous prime is 100203310139. The next prime is 100203310159. The reversal of 100203310143 is 341013302001.

100203310143 is a `hidden beast` number, since 10 + 0 + 203 + 310 + 143 = 666.

It is not a de Polignac number, because 100203310143 - 2² = 100203310139 is a prime.

It is a super-2 number, since 2×100203310143² (a number of 23 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 (100203310343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206179408 + ... + 206179893.

Almost surely, 2^100203310143 is an apocalyptic number.

100203310143 is a deficient number, since it is larger than the sum of its proper divisors (49895475785).

100203310143 is an frugal number, since it uses more digits than its factorization.

100203310143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412359316 (or 412359304 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100203310143 its reverse (341013302001), we get a palindrome (441216612144).

The spelling of 100203310143 in words is "one hundred billion, two hundred three million, three hundred ten thousand, one hundred forty-three".