100331404 has 12 divisors (see below), whose sum is σ = 176181264. Its totient is φ = 49993904.

The previous prime is 100331401. The next prime is 100331411. The reversal of 100331404 is 404133001.

It is a super-2 number, since 2×100331404² = 20132781257222432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100331401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41632 + ... + 43975.

It is an arithmetic number, because the mean of its divisors is an integer number (14681772).

Almost surely, 2^100331404 is an apocalyptic number.

It is an amenable number.

100331404 is a deficient number, since it is larger than the sum of its proper divisors (75849860).

100331404 is a wasteful number, since it uses less digits than its factorization.

100331404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85904 (or 85902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100331404 is about 10016.5564941251. The cubic root of 100331404 is about 464.6710650157.

Adding to 100331404 its reverse (404133001), we get a palindrome (504464405).

The spelling of 100331404 in words is "one hundred million, three hundred thirty-one thousand, four hundred four".