231301203203201 has 4 divisors (see below), whose sum is σ = 231383781286404. Its totient is φ = 231218625120000.

The previous prime is 231301203203167. The next prime is 231301203203221. The reversal of 231301203203201 is 102302302103132.

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 167325840831601 + 63975362371600 = 12935449^2 + 7998460^2 .

It is a cyclic number.

It is not a de Polignac number, because 231301203203201 - 2⁶ = 231301203203137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231301203203221) 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, 41289037400 + ... + 41289043001.

It is an arithmetic number, because the mean of its divisors is an integer number (57845945321601).

Almost surely, 2^{231301203203201} is an apocalyptic number.

It is an amenable number.

231301203203201 is a deficient number, since it is larger than the sum of its proper divisors (82578083203).

231301203203201 is an equidigital number, since it uses as much as digits as its factorization.

231301203203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82578083202.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231301203203201 its reverse (102302302103132), we get a palindrome (333603505306333).

The spelling of 231301203203201 in words is "two hundred thirty-one trillion, three hundred one billion, two hundred three million, two hundred three thousand, two hundred one".