1310965511 has 2 divisors, whose sum is σ = 1310965512. Its totient is φ = 1310965510.

The previous prime is 1310965493. The next prime is 1310965559. The reversal of 1310965511 is 1155690131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310965511 - 2¹⁸ = 1310703367 is a prime.

It is a super-2 number, since 2×1310965511² = 3437261142062982242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310965571) 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, 655482755 + 655482756.

It is an arithmetic number, because the mean of its divisors is an integer number (655482756).

Almost surely, 2^1310965511 is an apocalyptic number.

1310965511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310965511 is an equidigital number, since it uses as much as digits as its factorization.

1310965511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 1310965511 is about 36207.2577116799. The cubic root of 1310965511 is about 1094.4529313443.

The spelling of 1310965511 in words is "one billion, three hundred ten million, nine hundred sixty-five thousand, five hundred eleven".