1311213083 has 2 divisors, whose sum is σ = 1311213084. Its totient is φ = 1311213082.

The previous prime is 1311213073. The next prime is 1311213121. The reversal of 1311213083 is 3803121131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311213083 - 2⁸ = 1311212827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311213023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655606541 + 655606542.

It is an arithmetic number, because the mean of its divisors is an integer number (655606542).

Almost surely, 2^1311213083 is an apocalyptic number.

1311213083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311213083 is an equidigital number, since it uses as much as digits as its factorization.

1311213083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1311213083 is about 36210.6763676129. The cubic root of 1311213083 is about 1094.5218217523.

The spelling of 1311213083 in words is "one billion, three hundred eleven million, two hundred thirteen thousand, eighty-three".