100334431 has 4 divisors (see below), whose sum is σ = 101747664. Its totient is φ = 98921200.

The previous prime is 100334419. The next prime is 100334453. The reversal of 100334431 is 134433001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134433001 = 10139 ⋅13259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100334431 is a prime.

It is a super-2 number, since 2×100334431² = 20133996088187522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100334399 and 100334408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100334411) 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, 706510 + ... + 706651.

It is an arithmetic number, because the mean of its divisors is an integer number (25436916).

Almost surely, 2^100334431 is an apocalyptic number.

100334431 is a deficient number, since it is larger than the sum of its proper divisors (1413233).

100334431 is an equidigital number, since it uses as much as digits as its factorization.

100334431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413232.

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

The square root of 100334431 is about 10016.7075928171. The cubic root of 100334431 is about 464.6757380131.

Adding to 100334431 its reverse (134433001), we get a palindrome (234767432).

The spelling of 100334431 in words is "one hundred million, three hundred thirty-four thousand, four hundred thirty-one".