311596920309 has 8 divisors (see below), whose sum is σ = 437329011040. Its totient is φ = 196798054896.

The previous prime is 311596920307. The next prime is 311596920331. The reversal of 311596920309 is 903029695113.

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

It is not a de Polignac number, because 311596920309 - 2¹ = 311596920307 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 (311596920307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733306262 + ... + 2733306375.

It is an arithmetic number, because the mean of its divisors is an integer number (54666126380).

Almost surely, 2^311596920309 is an apocalyptic number.

It is an amenable number.

311596920309 is a deficient number, since it is larger than the sum of its proper divisors (125732090731).

311596920309 is a wasteful number, since it uses less digits than its factorization.

311596920309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466612659.

The product of its (nonzero) digits is 393660, while the sum is 48.

The spelling of 311596920309 in words is "three hundred eleven billion, five hundred ninety-six million, nine hundred twenty thousand, three hundred nine".