231323303201 has 2 divisors, whose sum is σ = 231323303202. Its totient is φ = 231323303200.

The previous prime is 231323303191. The next prime is 231323303213. The reversal of 231323303201 is 102303323132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215668288801 + 15655014400 = 464401^2 + 125120^2 .

It is a cyclic number.

It is not a de Polignac number, because 231323303201 - 2²² = 231319108897 is a prime.

It is not a weakly prime, because it can be changed into another prime (231323303801) 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 as a sum of consecutive naturals, namely, 115661651600 + 115661651601.

It is an arithmetic number, because the mean of its divisors is an integer number (115661651601).

Almost surely, 2^231323303201 is an apocalyptic number.

It is an amenable number.

231323303201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323303201 is an equidigital number, since it uses as much as digits as its factorization.

231323303201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231323303201 its reverse (102303323132), we get a palindrome (333626626333).

The spelling of 231323303201 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred three thousand, two hundred one".