131448307 has 2 divisors, whose sum is σ = 131448308. Its totient is φ = 131448306.

The previous prime is 131448287. The next prime is 131448313. The reversal of 131448307 is 703844131.

It is a strong prime.

It is an emirp because it is prime and its reverse (703844131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131448307 - 2¹⁵ = 131415539 is a prime.

It is not a weakly prime, because it can be changed into another prime (131448347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65724153 + 65724154.

It is an arithmetic number, because the mean of its divisors is an integer number (65724154).

Almost surely, 2^131448307 is an apocalyptic number.

131448307 is a deficient number, since it is larger than the sum of its proper divisors (1).

131448307 is an equidigital number, since it uses as much as digits as its factorization.

131448307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 131448307 is about 11465.0907977216. The cubic root of 131448307 is about 508.4539969283.

The spelling of 131448307 in words is "one hundred thirty-one million, four hundred forty-eight thousand, three hundred seven".