231132110101 has 4 divisors (see below), whose sum is σ = 231210277452. Its totient is φ = 231053942752.

The previous prime is 231132110051. The next prime is 231132110113. The reversal of 231132110101 is 101011231132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158985612900 + 72146497201 = 398730^2 + 268601^2 .

It is a cyclic number.

It is not a de Polignac number, because 231132110101 - 2²⁷ = 230997892373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231132110141) 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 3 ways as a sum of consecutive naturals, for example, 39079240 + ... + 39085153.

It is an arithmetic number, because the mean of its divisors is an integer number (57802569363).

Almost surely, 2^231132110101 is an apocalyptic number.

It is an amenable number.

231132110101 is a deficient number, since it is larger than the sum of its proper divisors (78167351).

231132110101 is an equidigital number, since it uses as much as digits as its factorization.

231132110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78167350.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 231132110101 its reverse (101011231132), we get a palindrome (332143341233).

The spelling of 231132110101 in words is "two hundred thirty-one billion, one hundred thirty-two million, one hundred ten thousand, one hundred one".