231243231301 has 4 divisors (see below), whose sum is σ = 233289631692. Its totient is φ = 229196830912.

The previous prime is 231243231293. The next prime is 231243231343. The reversal of 231243231301 is 103132342132.

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 7263471076 + 223979760225 = 85226^2 + 473265^2 .

It is a cyclic number.

It is not a de Polignac number, because 231243231301 - 2³ = 231243231293 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 (231243231601) 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, 1023200026 + ... + 1023200251.

It is an arithmetic number, because the mean of its divisors is an integer number (58322407923).

Almost surely, 2^231243231301 is an apocalyptic number.

It is an amenable number.

231243231301 is a deficient number, since it is larger than the sum of its proper divisors (2046400391).

231243231301 is a wasteful number, since it uses less digits than its factorization.

231243231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046400390.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231243231301 its reverse (103132342132), we get a palindrome (334375573433).

The spelling of 231243231301 in words is "two hundred thirty-one billion, two hundred forty-three million, two hundred thirty-one thousand, three hundred one".