100431430403 has 8 divisors (see below), whose sum is σ = 103095780480. Its totient is φ = 97777309120.

The previous prime is 100431430399. The next prime is 100431430427. The reversal of 100431430403 is 304034134001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100431430403 - 2² = 100431430399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100431430433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2537300 + ... + 2576577.

It is an arithmetic number, because the mean of its divisors is an integer number (12886972560).

Almost surely, 2^100431430403 is an apocalyptic number.

100431430403 is a deficient number, since it is larger than the sum of its proper divisors (2664350077).

100431430403 is an equidigital number, since it uses as much as digits as its factorization.

100431430403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114397.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 100431430403 its reverse (304034134001), we get a palindrome (404465564404).

The spelling of 100431430403 in words is "one hundred billion, four hundred thirty-one million, four hundred thirty thousand, four hundred three".