100031404 has 24 divisors (see below), whose sum is σ = 191224656. Its totient is φ = 45408000.

The previous prime is 100031377. The next prime is 100031413. The reversal of 100031404 is 404130001.

It is a super-2 number, since 2×100031404² = 20012563572422432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57264 + ... + 58984.

It is an arithmetic number, because the mean of its divisors is an integer number (7967694).

Almost surely, 2^100031404 is an apocalyptic number.

It is an amenable number.

100031404 is a deficient number, since it is larger than the sum of its proper divisors (91193252).

100031404 is a wasteful number, since it uses less digits than its factorization.

100031404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100031404 is about 10001.5700767430. The cubic root of 100031404 is about 464.2074664279.

Adding to 100031404 its reverse (404130001), we get a palindrome (504161405).

The spelling of 100031404 in words is "one hundred million, thirty-one thousand, four hundred four".