231322203403201 has 4 divisors (see below), whose sum is σ = 241379690507712. Its totient is φ = 221264716298692.

The previous prime is 231322203403199. The next prime is 231322203403217. The reversal of 231322203403201 is 102304302223132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231322203403201 - 2¹ = 231322203403199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231322203403201.

It is not an unprimeable number, because it can be changed into a prime (231322203403241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5028743552221 + ... + 5028743552266.

It is an arithmetic number, because the mean of its divisors is an integer number (60344922626928).

Almost surely, 2^{231322203403201} is an apocalyptic number.

It is an amenable number.

231322203403201 is a deficient number, since it is larger than the sum of its proper divisors (10057487104511).

231322203403201 is a wasteful number, since it uses less digits than its factorization.

231322203403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057487104510.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231322203403201 its reverse (102304302223132), we get a palindrome (333626505626333).

The spelling of 231322203403201 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, two hundred three million, four hundred three thousand, two hundred one".