100168431 has 8 divisors (see below), whose sum is σ = 145699584. Its totient is φ = 60708120.

The previous prime is 100168391. The next prime is 100168447. The reversal of 100168431 is 134861001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100168431 - 2⁷ = 100168303 is a prime.

It is a super-2 number, since 2×100168431² = 20067429138003522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100161431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517671 + ... + 1517736.

It is an arithmetic number, because the mean of its divisors is an integer number (18212448).

Almost surely, 2^100168431 is an apocalyptic number.

100168431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100168431 is a deficient number, since it is larger than the sum of its proper divisors (45531153).

100168431 is a wasteful number, since it uses less digits than its factorization.

100168431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035421.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 100168431 is about 10008.4180068580. The cubic root of 100168431 is about 464.4193330063.

The spelling of 100168431 in words is "one hundred million, one hundred sixty-eight thousand, four hundred thirty-one".