100231403 has 8 divisors (see below), whose sum is σ = 105618000. Its totient is φ = 94855968.

The previous prime is 100231399. The next prime is 100231421. The reversal of 100231403 is 304132001.

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

It is a cyclic number.

It is not a de Polignac number, because 100231403 - 2² = 100231399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100231423) by changing a digit.

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, 20873 + ... + 25221.

It is an arithmetic number, because the mean of its divisors is an integer number (13202250).

Almost surely, 2^100231403 is an apocalyptic number.

100231403 is a deficient number, since it is larger than the sum of its proper divisors (5386597).

100231403 is a wasteful number, since it uses less digits than its factorization.

100231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100231403 is about 10011.5634643147. The cubic root of 100231403 is about 464.5166334152.

Adding to 100231403 its reverse (304132001), we get a palindrome (404363404).

The spelling of 100231403 in words is "one hundred million, two hundred thirty-one thousand, four hundred three".