100431251035 has 16 divisors (see below), whose sum is σ = 121071385440. Its totient is φ = 79975906560.

The previous prime is 100431251021. The next prime is 100431251051. The reversal of 100431251035 is 530152134001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-100431251035 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7425439 + ... + 7438951.

It is an arithmetic number, because the mean of its divisors is an integer number (7566961590).

Almost surely, 2^100431251035 is an apocalyptic number.

100431251035 is a deficient number, since it is larger than the sum of its proper divisors (20640134405).

100431251035 is a wasteful number, since it uses less digits than its factorization.

100431251035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20238.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 100431251035 its reverse (530152134001), we get a palindrome (630583385036).

The spelling of 100431251035 in words is "one hundred billion, four hundred thirty-one million, two hundred fifty-one thousand, thirty-five".