1311355039 has 2 divisors, whose sum is σ = 1311355040. Its totient is φ = 1311355038.

The previous prime is 1311354949. The next prime is 1311355099. The reversal of 1311355039 is 9305531131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311355039 - 2¹⁷ = 1311223967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311355039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311355099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655677519 + 655677520.

It is an arithmetic number, because the mean of its divisors is an integer number (655677520).

Almost surely, 2^1311355039 is an apocalyptic number.

1311355039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311355039 is an equidigital number, since it uses as much as digits as its factorization.

1311355039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 1311355039 is about 36212.6364546963. The cubic root of 1311355039 is about 1094.5613191040.

The spelling of 1311355039 in words is "one billion, three hundred eleven million, three hundred fifty-five thousand, thirty-nine".