100312404 has 48 divisors (see below), whose sum is σ = 247543296. Its totient is φ = 31564800.

The previous prime is 100312403. The next prime is 100312423. The reversal of 100312404 is 404213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11964 + ... + 18540.

It is an arithmetic number, because the mean of its divisors is an integer number (5157152).

Almost surely, 2^100312404 is an apocalyptic number.

It is an amenable number.

100312404 is an abundant number, since it is smaller than the sum of its proper divisors (147230892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100312404 is a wasteful number, since it uses less digits than its factorization.

100312404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656 (or 6654 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100312404 is about 10015.6080194864. The cubic root of 100312404 is about 464.6417312038.

Adding to 100312404 its reverse (404213001), we get a palindrome (504525405).

The spelling of 100312404 in words is "one hundred million, three hundred twelve thousand, four hundred four".