1308431011 has 2 divisors, whose sum is σ = 1308431012. Its totient is φ = 1308431010.

The previous prime is 1308431009. The next prime is 1308431017. The reversal of 1308431011 is 1101348031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1308431011 - 2¹ = 1308431009 is a prime.

Together with 1308431009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1308431017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654215505 + 654215506.

It is an arithmetic number, because the mean of its divisors is an integer number (654215506).

Almost surely, 2^1308431011 is an apocalyptic number.

1308431011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308431011 is an equidigital number, since it uses as much as digits as its factorization.

1308431011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1308431011 is about 36172.2408899421. The cubic root of 1308431011 is about 1093.7471714931.

Adding to 1308431011 its reverse (1101348031), we get a palindrome (2409779042).

The spelling of 1308431011 in words is "one billion, three hundred eight million, four hundred thirty-one thousand, eleven".