1311000479 has 2 divisors, whose sum is σ = 1311000480. Its totient is φ = 1311000478.

The previous prime is 1311000463. The next prime is 1311000491. The reversal of 1311000479 is 9740001131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311000479 - 2⁴ = 1311000463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311050479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655500239 + 655500240.

It is an arithmetic number, because the mean of its divisors is an integer number (655500240).

Almost surely, 2^1311000479 is an apocalyptic number.

1311000479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311000479 is an equidigital number, since it uses as much as digits as its factorization.

1311000479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1311000479 is about 36207.7405950717. The cubic root of 1311000479 is about 1094.4626622105.

The spelling of 1311000479 in words is "one billion, three hundred eleven million, four hundred seventy-nine", and thus it is an aban number.