100103303331 has 20 divisors (see below), whose sum is σ = 149678101584. Its totient is φ = 66672579600.

The previous prime is 100103303329. The next prime is 100103303359. The reversal of 100103303331 is 133303301001.

100103303331 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 0 + 330 + 3 + 331 = 666.

It is not a de Polignac number, because 100103303331 - 2¹ = 100103303329 is a prime.

It is a super-2 number, since 2×100103303331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100103303371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 496455 + ... + 668336.

Almost surely, 2^100103303331 is an apocalyptic number.

100103303331 is a deficient number, since it is larger than the sum of its proper divisors (49574798253).

100103303331 is a wasteful number, since it uses less digits than its factorization.

100103303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165864 (or 1165855 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 100103303331 its reverse (133303301001), we get a palindrome (233406604332).

The spelling of 100103303331 in words is "one hundred billion, one hundred three million, three hundred three thousand, three hundred thirty-one".