231240103147 has 2 divisors, whose sum is σ = 231240103148. Its totient is φ = 231240103146.

The previous prime is 231240103123. The next prime is 231240103201. The reversal of 231240103147 is 741301042132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231240103147 - 2⁷ = 231240103019 is a prime.

It is not a weakly prime, because it can be changed into another prime (231240103247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620051573 + 115620051574.

It is an arithmetic number, because the mean of its divisors is an integer number (115620051574).

Almost surely, 2^231240103147 is an apocalyptic number.

231240103147 is a deficient number, since it is larger than the sum of its proper divisors (1).

231240103147 is an equidigital number, since it uses as much as digits as its factorization.

231240103147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 231240103147 its reverse (741301042132), we get a palindrome (972541145279).

The spelling of 231240103147 in words is "two hundred thirty-one billion, two hundred forty million, one hundred three thousand, one hundred forty-seven".