100031434 has 16 divisors (see below), whose sum is σ = 160792128. Its totient is φ = 46505152.

The previous prime is 100031419. The next prime is 100031443. The reversal of 100031434 is 434130001.

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 in 7 ways as a sum of consecutive naturals, for example, 14902 + ... + 20545.

It is an arithmetic number, because the mean of its divisors is an integer number (10049508).

Almost surely, 2^100031434 is an apocalyptic number.

100031434 is a deficient number, since it is larger than the sum of its proper divisors (60760694).

100031434 is a wasteful number, since it uses less digits than its factorization.

100031434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35549.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100031434 is about 10001.5715765074. The cubic root of 100031434 is about 464.2075128340.

Adding to 100031434 its reverse (434130001), we get a palindrome (534161435).

The spelling of 100031434 in words is "one hundred million, thirty-one thousand, four hundred thirty-four".