231311101 has 8 divisors (see below), whose sum is σ = 265067264. Its totient is φ = 197732880.

The previous prime is 231311081. The next prime is 231311107. The reversal of 231311101 is 101113132.

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 231311101 - 2⁹ = 231310589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231311107) 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, 41685 + ... + 46906.

It is an arithmetic number, because the mean of its divisors is an integer number (33133408).

Almost surely, 2^231311101 is an apocalyptic number.

It is an amenable number.

231311101 is a deficient number, since it is larger than the sum of its proper divisors (33756163).

231311101 is an equidigital number, since it uses as much as digits as its factorization.

231311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88971.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 231311101 is about 15208.9151815637. The cubic root of 231311101 is about 613.8545679033.

Adding to 231311101 its reverse (101113132), we get a palindrome (332424233).

The spelling of 231311101 in words is "two hundred thirty-one million, three hundred eleven thousand, one hundred one".