311713616 has 20 divisors (see below), whose sum is σ = 608294400. Its totient is φ = 154734432.

The previous prime is 311713613. The next prime is 311713621. The reversal of 311713616 is 616317113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311713613) 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 3 ways as a sum of consecutive naturals, for example, 67856 + ... + 72303.

It is an arithmetic number, because the mean of its divisors is an integer number (30414720).

Almost surely, 2^311713616 is an apocalyptic number.

It is an amenable number.

311713616 is a deficient number, since it is larger than the sum of its proper divisors (296580784).

311713616 is a wasteful number, since it uses less digits than its factorization.

311713616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140306 (or 140300 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 311713616 is about 17655.4132208793. The cubic root of 311713616 is about 678.0347061242.

The spelling of 311713616 in words is "three hundred eleven million, seven hundred thirteen thousand, six hundred sixteen".