311135552213 has 16 divisors (see below), whose sum is σ = 317163530880. Its totient is φ = 305166447936.

The previous prime is 311135552207. The next prime is 311135552257. The reversal of 311135552213 is 312255531113.

It is not a de Polignac number, because 311135552213 - 2⁴ = 311135552197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311135552213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311135512213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11477231 + ... + 11504307.

It is an arithmetic number, because the mean of its divisors is an integer number (19822720680).

Almost surely, 2^311135552213 is an apocalyptic number.

It is an amenable number.

311135552213 is a deficient number, since it is larger than the sum of its proper divisors (6027978667).

311135552213 is a wasteful number, since it uses less digits than its factorization.

311135552213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28156.

The product of its digits is 13500, while the sum is 32.

The spelling of 311135552213 in words is "three hundred eleven billion, one hundred thirty-five million, five hundred fifty-two thousand, two hundred thirteen".