100431334345 has 4 divisors (see below), whose sum is σ = 120517601220. Its totient is φ = 80345067472.

The previous prime is 100431334331. The next prime is 100431334387. The reversal of 100431334345 is 543433134001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543433134001 = 2833 ⋅191822497.

It can be written as a sum of positive squares in 2 ways, for example, as 35048332944 + 65383001401 = 187212^2 + 255701^2 .

It is a cyclic number.

It is not a de Polignac number, because 100431334345 - 2⁹ = 100431333833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10043133430 + ... + 10043133439.

It is an arithmetic number, because the mean of its divisors is an integer number (30129400305).

Almost surely, 2^100431334345 is an apocalyptic number.

It is an amenable number.

100431334345 is a deficient number, since it is larger than the sum of its proper divisors (20086266875).

100431334345 is an equidigital number, since it uses as much as digits as its factorization.

100431334345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20086266874.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 100431334345 its reverse (543433134001), we get a palindrome (643864468346).

The spelling of 100431334345 in words is "one hundred billion, four hundred thirty-one million, three hundred thirty-four thousand, three hundred forty-five".