231201331301 has 8 divisors (see below), whose sum is σ = 237256651800. Its totient is φ = 225165832960.

The previous prime is 231201331297. The next prime is 231201331303. The reversal of 231201331301 is 103133102132.

231201331301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10276890625 + 220924440676 = 101375^2 + 470026^2 .

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 231201331301 - 2² = 231201331297 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 (231201331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4931906 + ... + 4978563.

It is an arithmetic number, because the mean of its divisors is an integer number (29657081475).

Almost surely, 2^231201331301 is an apocalyptic number.

231201331301 is the 215036-th centered decagonal number.

It is an amenable number.

231201331301 is a deficient number, since it is larger than the sum of its proper divisors (6055320499).

231201331301 is an equidigital number, since it uses as much as digits as its factorization.

231201331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911079.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231201331301 its reverse (103133102132), we get a palindrome (334334433433).

The spelling of 231201331301 in words is "two hundred thirty-one billion, two hundred one million, three hundred thirty-one thousand, three hundred one".