310116013 has 4 divisors (see below), whose sum is σ = 310190940. Its totient is φ = 310041088.

The previous prime is 310116007. The next prime is 310116017. The reversal of 310116013 is 310611013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310611013 = 71 ⋅4374803.

It can be written as a sum of positive squares in 2 ways, for example, as 160224964 + 149891049 = 12658^2 + 12243^2 .

It is a cyclic number.

It is not a de Polignac number, because 310116013 - 2⁹ = 310115501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310116017) 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, 30868 + ... + 39661.

It is an arithmetic number, because the mean of its divisors is an integer number (77547735).

Almost surely, 2^310116013 is an apocalyptic number.

It is an amenable number.

310116013 is a deficient number, since it is larger than the sum of its proper divisors (74927).

310116013 is an equidigital number, since it uses as much as digits as its factorization.

310116013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74926.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 310116013 is about 17610.1111012963. Note that the first 4 decimals coincide. The cubic root of 310116013 is about 676.8743609520.

Adding to 310116013 its reverse (310611013), we get a palindrome (620727026).

The spelling of 310116013 in words is "three hundred ten million, one hundred sixteen thousand, thirteen".