100311231 has 8 divisors (see below), whose sum is σ = 133801984. Its totient is φ = 66847320.

The previous prime is 100311229. The next prime is 100311247. The reversal of 100311231 is 132113001.

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

It is not a de Polignac number, because 100311231 - 2¹ = 100311229 is a prime.

It is a super-2 number, since 2×100311231² = 20124686129470722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311221) 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, 4866 + ... + 14976.

It is an arithmetic number, because the mean of its divisors is an integer number (16725248).

Almost surely, 2^100311231 is an apocalyptic number.

100311231 is a deficient number, since it is larger than the sum of its proper divisors (33490753).

100311231 is a wasteful number, since it uses less digits than its factorization.

100311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13421.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 100311231 is about 10015.5494607136. The cubic root of 100311231 is about 464.6399201055.

Adding to 100311231 its reverse (132113001), we get a palindrome (232424232).

The spelling of 100311231 in words is "one hundred million, three hundred eleven thousand, two hundred thirty-one".