1301112311 has 2 divisors, whose sum is σ = 1301112312. Its totient is φ = 1301112310.

The previous prime is 1301112301. The next prime is 1301112359. The reversal of 1301112311 is 1132111031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1132111031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301112311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301112301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650556155 + 650556156.

It is an arithmetic number, because the mean of its divisors is an integer number (650556156).

Almost surely, 2^1301112311 is an apocalyptic number.

1301112311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301112311 is an equidigital number, since it uses as much as digits as its factorization.

1301112311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1301112311 is about 36070.9344348050. The cubic root of 1301112311 is about 1091.7040682509.

Adding to 1301112311 its reverse (1132111031), we get a palindrome (2433223342).

The spelling of 1301112311 in words is "one billion, three hundred one million, one hundred twelve thousand, three hundred eleven".