100312401 has 16 divisors (see below), whose sum is σ = 153474048. Its totient is φ = 57090000.

The previous prime is 100312397. The next prime is 100312403. The reversal of 100312401 is 104213001.

It is a happy number.

It is not a de Polignac number, because 100312401 - 2² = 100312397 is a prime.

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, 4245 + ... + 14786.

It is an arithmetic number, because the mean of its divisors is an integer number (9592128).

Almost surely, 2^100312401 is an apocalyptic number.

It is an amenable number.

100312401 is a deficient number, since it is larger than the sum of its proper divisors (53161647).

100312401 is a wasteful number, since it uses less digits than its factorization.

100312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19292.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100312401 is about 10015.6078697201. The cubic root of 100312401 is about 464.6417265719.

Adding to 100312401 its reverse (104213001), we get a palindrome (204525402).

The spelling of 100312401 in words is "one hundred million, three hundred twelve thousand, four hundred one".