231303002101 has 4 divisors (see below), whose sum is σ = 231481340332. Its totient is φ = 231124663872.

The previous prime is 231303002059. The next prime is 231303002107. The reversal of 231303002101 is 101200303132.

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 224623863025 + 6679139076 = 473945^2 + 81726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231303002101 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 (231303002107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89167170 + ... + 89169763.

It is an arithmetic number, because the mean of its divisors is an integer number (57870335083).

Almost surely, 2^231303002101 is an apocalyptic number.

It is an amenable number.

231303002101 is a deficient number, since it is larger than the sum of its proper divisors (178338231).

231303002101 is a wasteful number, since it uses less digits than its factorization.

231303002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178338230.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 231303002101 its reverse (101200303132), we get a palindrome (332503305233).

The spelling of 231303002101 in words is "two hundred thirty-one billion, three hundred three million, two thousand, one hundred one".