1230131207 has 2 divisors, whose sum is σ = 1230131208. Its totient is φ = 1230131206.

The previous prime is 1230131191. The next prime is 1230131213. The reversal of 1230131207 is 7021310321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230131207 - 2⁴ = 1230131191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230131257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615065603 + 615065604.

It is an arithmetic number, because the mean of its divisors is an integer number (615065604).

Almost surely, 2^1230131207 is an apocalyptic number.

1230131207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230131207 is an equidigital number, since it uses as much as digits as its factorization.

1230131207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1230131207 is about 35073.2263557261. The cubic root of 1230131207 is about 1071.4793660583.

Adding to 1230131207 its reverse (7021310321), we get a palindrome (8251441528).

The spelling of 1230131207 in words is "one billion, two hundred thirty million, one hundred thirty-one thousand, two hundred seven".