231340225201 has 4 divisors (see below), whose sum is σ = 234598538304. Its totient is φ = 228081912100.

The previous prime is 231340225159. The next prime is 231340225223. The reversal of 231340225201 is 102522043132.

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 a de Polignac number, because none of the positive numbers 2^k-231340225201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231340220201) 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, 1629156445 + ... + 1629156586.

It is an arithmetic number, because the mean of its divisors is an integer number (58649634576).

Almost surely, 2^231340225201 is an apocalyptic number.

It is an amenable number.

231340225201 is a deficient number, since it is larger than the sum of its proper divisors (3258313103).

231340225201 is an equidigital number, since it uses as much as digits as its factorization.

231340225201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258313102.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 231340225201 its reverse (102522043132), we get a palindrome (333862268333).

The spelling of 231340225201 in words is "two hundred thirty-one billion, three hundred forty million, two hundred twenty-five thousand, two hundred one".