231514001230243 has 4 divisors (see below), whose sum is σ = 231804483039360. Its totient is φ = 231223519421128.

The previous prime is 231514001230157. The next prime is 231514001230307. The reversal of 231514001230243 is 342032100415132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231514001230243 - 2²¹ = 231513999133091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231514001230943) 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, 145240903363 + ... + 145240904956.

It is an arithmetic number, because the mean of its divisors is an integer number (57951120759840).

Almost surely, 2^{231514001230243} is an apocalyptic number.

231514001230243 is a deficient number, since it is larger than the sum of its proper divisors (290481809117).

231514001230243 is an equidigital number, since it uses as much as digits as its factorization.

231514001230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290481809116.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 231514001230243 its reverse (342032100415132), we get a palindrome (573546101645375).

The spelling of 231514001230243 in words is "two hundred thirty-one trillion, five hundred fourteen billion, one million, two hundred thirty thousand, two hundred forty-three".