3113478287 has 2 divisors, whose sum is σ = 3113478288. Its totient is φ = 3113478286.

The previous prime is 3113478271. The next prime is 3113478323. The reversal of 3113478287 is 7828743113.

It is a weak prime.

It is an emirp because it is prime and its reverse (7828743113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3113478287 - 2⁴ = 3113478271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113478227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556739143 + 1556739144.

It is an arithmetic number, because the mean of its divisors is an integer number (1556739144).

Almost surely, 2^3113478287 is an apocalyptic number.

3113478287 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113478287 is an equidigital number, since it uses as much as digits as its factorization.

3113478287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 44.

The square root of 3113478287 is about 55798.5509399662. The cubic root of 3113478287 is about 1460.2098727195.

The spelling of 3113478287 in words is "three billion, one hundred thirteen million, four hundred seventy-eight thousand, two hundred eighty-seven".