100411431 has 4 divisors (see below), whose sum is σ = 133881912. Its totient is φ = 66940952.

The previous prime is 100411417. The next prime is 100411433. The reversal of 100411431 is 134114001.

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 100411431 - 2¹⁷ = 100280359 is a prime.

It is a super-2 number, since 2×100411431² = 20164910950935522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100411431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100411433) 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, 16735236 + ... + 16735241.

It is an arithmetic number, because the mean of its divisors is an integer number (33470478).

Almost surely, 2^100411431 is an apocalyptic number.

100411431 is a deficient number, since it is larger than the sum of its proper divisors (33470481).

100411431 is an equidigital number, since it uses as much as digits as its factorization.

100411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33470480.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 100411431 is about 10020.5504339832. The cubic root of 100411431 is about 464.7945768552.

Adding to 100411431 its reverse (134114001), we get a palindrome (234525432).

The spelling of 100411431 in words is "one hundred million, four hundred eleven thousand, four hundred thirty-one".