231201101 has 8 divisors (see below), whose sum is σ = 243652800. Its totient is φ = 218777760.

The previous prime is 231201059. The next prime is 231201109. The reversal of 231201101 is 101102132.

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 231201101 - 2¹⁸ = 230938957 is a prime.

It is a super-2 number, since 2×231201101² = 106907898207224402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231201109) 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, 10841 + ... + 24081.

It is an arithmetic number, because the mean of its divisors is an integer number (30456600).

Almost surely, 2^231201101 is an apocalyptic number.

It is an amenable number.

231201101 is a deficient number, since it is larger than the sum of its proper divisors (12451699).

231201101 is a wasteful number, since it uses less digits than its factorization.

231201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14179.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 231201101 is about 15205.2984515267. The cubic root of 231201101 is about 613.7572462895.

Adding to 231201101 its reverse (101102132), we get a palindrome (332303233).

The spelling of 231201101 in words is "two hundred thirty-one million, two hundred one thousand, one hundred one".