231244252027 has 2 divisors, whose sum is σ = 231244252028. Its totient is φ = 231244252026.

The previous prime is 231244251971. The next prime is 231244252061. The reversal of 231244252027 is 720252442132.

It is an a-pointer prime, because the next prime (231244252061) can be obtained adding 231244252027 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231244252027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231244251983 and 231244252001.

It is not a weakly prime, because it can be changed into another prime (231244252097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115622126013 + 115622126014.

It is an arithmetic number, because the mean of its divisors is an integer number (115622126014).

Almost surely, 2^231244252027 is an apocalyptic number.

231244252027 is a deficient number, since it is larger than the sum of its proper divisors (1).

231244252027 is an equidigital number, since it uses as much as digits as its factorization.

231244252027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 34.

Adding to 231244252027 its reverse (720252442132), we get a palindrome (951496694159).

The spelling of 231244252027 in words is "two hundred thirty-one billion, two hundred forty-four million, two hundred fifty-two thousand, twenty-seven".