100003331131 has 12 divisors (see below), whose sum is σ = 111723008992. Its totient is φ = 89421750000.

The previous prime is 100003331069. The next prime is 100003331167. The reversal of 100003331131 is 131133300001.

It is not a de Polignac number, because 100003331131 - 2⁷ = 100003331003 is a prime.

It is a super-2 number, since 2×100003331131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100003331191) 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, 6766995 + ... + 6781756.

Almost surely, 2^100003331131 is an apocalyptic number.

100003331131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100003331131 is a deficient number, since it is larger than the sum of its proper divisors (11719677861).

100003331131 is a wasteful number, since it uses less digits than its factorization.

100003331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13548834 (or 13548823 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 100003331131 its reverse (131133300001), we get a palindrome (231136631132).

It can be divided in two parts, 100003 and 331131, that added together give a palindrome (431134).

The spelling of 100003331131 in words is "one hundred billion, three million, three hundred thirty-one thousand, one hundred thirty-one".