100431434404303 has 4 divisors (see below), whose sum is σ = 100431472067080. Its totient is φ = 100431396741528.

The previous prime is 100431434404289. The next prime is 100431434404321. The reversal of 100431434404303 is 303404434134001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100431434404303 - 2⁹ = 100431434403791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100431434404603) 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, 14499300 + ... + 20275417.

It is an arithmetic number, because the mean of its divisors is an integer number (25107868016770).

Almost surely, 2^{100431434404303} is an apocalyptic number.

100431434404303 is a deficient number, since it is larger than the sum of its proper divisors (37662777).

100431434404303 is an equidigital number, since it uses as much as digits as its factorization.

100431434404303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662776.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 100431434404303 its reverse (303404434134001), we get a palindrome (403835868538304).

The spelling of 100431434404303 in words is "one hundred trillion, four hundred thirty-one billion, four hundred thirty-four million, four hundred four thousand, three hundred three".