1310947879 has 2 divisors, whose sum is σ = 1310947880. Its totient is φ = 1310947878.

The previous prime is 1310947831. The next prime is 1310947901. The reversal of 1310947879 is 9787490131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310947879 - 2²⁷ = 1176730151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310947819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655473939 + 655473940.

It is an arithmetic number, because the mean of its divisors is an integer number (655473940).

Almost surely, 2^1310947879 is an apocalyptic number.

1310947879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310947879 is an equidigital number, since it uses as much as digits as its factorization.

1310947879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 1310947879 is about 36207.0142237661. The cubic root of 1310947879 is about 1094.4480246603.

The spelling of 1310947879 in words is "one billion, three hundred ten million, nine hundred forty-seven thousand, eight hundred seventy-nine".