100535431 has 4 divisors (see below), whose sum is σ = 104002200. Its totient is φ = 97068664.

The previous prime is 100535429. The next prime is 100535447. The reversal of 100535431 is 134535001.

It is a happy number.

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 100535431 - 2¹ = 100535429 is a prime.

It is a super-2 number, since 2×100535431² = 20214745772711522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100535411) 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, 1733341 + ... + 1733398.

It is an arithmetic number, because the mean of its divisors is an integer number (26000550).

Almost surely, 2^100535431 is an apocalyptic number.

100535431 is a deficient number, since it is larger than the sum of its proper divisors (3466769).

100535431 is an equidigital number, since it uses as much as digits as its factorization.

100535431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466768.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 100535431 is about 10026.7358098237. The cubic root of 100535431 is about 464.9858260604.

The spelling of 100535431 in words is "one hundred million, five hundred thirty-five thousand, four hundred thirty-one".