5311666313 has 4 divisors (see below), whose sum is σ = 5455224900. Its totient is φ = 5168107728.

The previous prime is 5311666237. The next prime is 5311666333. The reversal of 5311666313 is 3136661135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4512077584 + 799588729 = 67172^2 + 28277^2 .

It is a cyclic number.

It is not a de Polignac number, because 5311666313 - 2⁸ = 5311666057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5311666333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71779238 + ... + 71779311.

It is an arithmetic number, because the mean of its divisors is an integer number (1363806225).

Almost surely, 2^5311666313 is an apocalyptic number.

It is an amenable number.

5311666313 is a deficient number, since it is larger than the sum of its proper divisors (143558587).

5311666313 is a wasteful number, since it uses less digits than its factorization.

5311666313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143558586.

The product of its digits is 29160, while the sum is 35.

The square root of 5311666313 is about 72881.1794155391. The cubic root of 5311666313 is about 1744.7917325188.

The spelling of 5311666313 in words is "five billion, three hundred eleven million, six hundred sixty-six thousand, three hundred thirteen".