100431514 has 4 divisors (see below), whose sum is σ = 150647274. Its totient is φ = 50215756.

The previous prime is 100431503. The next prime is 100431521. The reversal of 100431514 is 415134001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85877289 + 14554225 = 9267^2 + 3815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100431491 and 100431500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25107877 + ... + 25107880.

Almost surely, 2^100431514 is an apocalyptic number.

100431514 is a deficient number, since it is larger than the sum of its proper divisors (50215760).

100431514 is an equidigital number, since it uses as much as digits as its factorization.

100431514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50215759.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 100431514 is about 10021.5524745421. The cubic root of 100431514 is about 464.8255621960.

Adding to 100431514 its reverse (415134001), we get a palindrome (515565515).

The spelling of 100431514 in words is "one hundred million, four hundred thirty-one thousand, five hundred fourteen".