231303142241 has 4 divisors (see below), whose sum is σ = 231855178800. Its totient is φ = 230751105684.

The previous prime is 231303142223. The next prime is 231303142271. The reversal of 231303142241 is 142241303132.

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 231303142241 - 2¹⁴ = 231303125857 is a prime.

It is a super-2 number, since 2×231303142241² (a number of 24 digits) contains 22 as substring.

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 231303142241.

It is not an unprimeable number, because it can be changed into a prime (231303142201) 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, 276017651 + ... + 276018488.

It is an arithmetic number, because the mean of its divisors is an integer number (57963794700).

Almost surely, 2^231303142241 is an apocalyptic number.

It is an amenable number.

231303142241 is a deficient number, since it is larger than the sum of its proper divisors (552036559).

231303142241 is an equidigital number, since it uses as much as digits as its factorization.

231303142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552036558.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231303142241 its reverse (142241303132), we get a palindrome (373544445373).

The spelling of 231303142241 in words is "two hundred thirty-one billion, three hundred three million, one hundred forty-two thousand, two hundred forty-one".