100303203213 has 6 divisors (see below), whose sum is σ = 144882404654. Its totient is φ = 66868802136.

The previous prime is 100303203211. The next prime is 100303203241. The reversal of 100303203213 is 312302303001.

100303203213 is a `hidden beast` number, since 100 + 30 + 320 + 3 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56103607044 + 44199596169 = 236862^2 + 210237^2 .

It is not a de Polignac number, because 100303203213 - 2¹ = 100303203211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100303203211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5572400170 + ... + 5572400187.

Almost surely, 2^100303203213 is an apocalyptic number.

It is an amenable number.

100303203213 is a deficient number, since it is larger than the sum of its proper divisors (44579201441).

100303203213 is a wasteful number, since it uses less digits than its factorization.

100303203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144800363 (or 11144800360 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 100303203213 its reverse (312302303001), we get a palindrome (412605506214).

The spelling of 100303203213 in words is "one hundred billion, three hundred three million, two hundred three thousand, two hundred thirteen".