311616113 has 8 divisors (see below), whose sum is σ = 323066016. Its totient is φ = 300349600.

The previous prime is 311616083. The next prime is 311616139.

311616113 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311616113 - 2¹² = 311612017 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 (311616143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42383 + ... + 49188.

It is an arithmetic number, because the mean of its divisors is an integer number (40383252).

Almost surely, 2^311616113 is an apocalyptic number.

It is an amenable number.

311616113 is a deficient number, since it is larger than the sum of its proper divisors (11449903).

311616113 is an equidigital number, since it uses as much as digits as its factorization.

311616113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91695.

The product of its digits is 324, while the sum is 23.

The square root of 311616113 is about 17652.6517271485. The cubic root of 311616113 is about 677.9640030720.

The spelling of 311616113 in words is "three hundred eleven million, six hundred sixteen thousand, one hundred thirteen".