100431142 has 8 divisors (see below), whose sum is σ = 172167696. Its totient is φ = 43041912.

The previous prime is 100431139. The next prime is 100431143. The reversal of 100431142 is 241134001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100431143) 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, 3586813 + ... + 3586840.

It is an arithmetic number, because the mean of its divisors is an integer number (21520962).

Almost surely, 2^100431142 is an apocalyptic number.

100431142 is a deficient number, since it is larger than the sum of its proper divisors (71736554).

100431142 is an equidigital number, since it uses as much as digits as its factorization.

100431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173662.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100431142 is about 10021.5339145263. The cubic root of 100431142 is about 464.8249882881.

Adding to 100431142 its reverse (241134001), we get a palindrome (341565143).

The spelling of 100431142 in words is "one hundred million, four hundred thirty-one thousand, one hundred forty-two".