100431296 has 28 divisors (see below), whose sum is σ = 227764848. Its totient is φ = 43041792.

The previous prime is 100431293. The next prime is 100431301. The reversal of 100431296 is 692134001.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100431293) 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, 111641 + ... + 112536.

Almost surely, 2^100431296 is an apocalyptic number.

100431296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100431296 is an abundant number, since it is smaller than the sum of its proper divisors (127333552).

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

100431296 is an equidigital number, since it uses as much as digits as its factorization.

100431296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224196 (or 224186 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 100431296 is about 10021.5415979778. The cubic root of 100431296 is about 464.8252258738.

Adding to 100431296 its reverse (692134001), we get a palindrome (792565297).

The spelling of 100431296 in words is "one hundred million, four hundred thirty-one thousand, two hundred ninety-six".