100434331 has 2 divisors, whose sum is σ = 100434332. Its totient is φ = 100434330.

The previous prime is 100434329. The next prime is 100434403. The reversal of 100434331 is 133434001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100434331 - 2¹ = 100434329 is a prime.

It is a super-2 number, since 2×100434331² = 20174109686835122, which contains 22 as substring.

Together with 100434329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100434299 and 100434308.

It is not a weakly prime, because it can be changed into another prime (100434431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217165 + 50217166.

It is an arithmetic number, because the mean of its divisors is an integer number (50217166).

Almost surely, 2^100434331 is an apocalyptic number.

100434331 is a deficient number, since it is larger than the sum of its proper divisors (1).

100434331 is an equidigital number, since it uses as much as digits as its factorization.

100434331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 100434331 is about 10021.6930206428. The cubic root of 100434331 is about 464.8299081140.

Adding to 100434331 its reverse (133434001), we get a palindrome (233868332).

The spelling of 100434331 in words is "one hundred million, four hundred thirty-four thousand, three hundred thirty-one".