311356500713 has 16 divisors (see below), whose sum is σ = 319574835216. Its totient is φ = 303168476160.

The previous prime is 311356500643. The next prime is 311356500727. The reversal of 311356500713 is 317005653113.

It can be written as a sum of positive squares in 8 ways, for example, as 65059684624 + 246296816089 = 255068^2 + 496283^2 .

It is a cyclic number.

It is not a de Polignac number, because 311356500713 - 2⁸ = 311356500457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311356500733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75332195 + ... + 75336327.

It is an arithmetic number, because the mean of its divisors is an integer number (19973427201).

Almost surely, 2^311356500713 is an apocalyptic number.

It is an amenable number.

311356500713 is a deficient number, since it is larger than the sum of its proper divisors (8218334503).

311356500713 is a wasteful number, since it uses less digits than its factorization.

311356500713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324.

The product of its (nonzero) digits is 28350, while the sum is 35.

The spelling of 311356500713 in words is "three hundred eleven billion, three hundred fifty-six million, five hundred thousand, seven hundred thirteen".