231241214147 has 2 divisors, whose sum is σ = 231241214148. Its totient is φ = 231241214146.

The previous prime is 231241214107. The next prime is 231241214203. The reversal of 231241214147 is 741412142132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231241214147 is a prime.

It is not a weakly prime, because it can be changed into another prime (231241214107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620607073 + 115620607074.

It is an arithmetic number, because the mean of its divisors is an integer number (115620607074).

Almost surely, 2^231241214147 is an apocalyptic number.

231241214147 is a deficient number, since it is larger than the sum of its proper divisors (1).

231241214147 is an equidigital number, since it uses as much as digits as its factorization.

231241214147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

Adding to 231241214147 its reverse (741412142132), we get a palindrome (972653356279).

The spelling of 231241214147 in words is "two hundred thirty-one billion, two hundred forty-one million, two hundred fourteen thousand, one hundred forty-seven".