311120101311 has 8 divisors (see below), whose sum is σ = 415327199280. Its totient is φ = 207163202112.

The previous prime is 311120101309. The next prime is 311120101339. The reversal of 311120101311 is 113101021113.

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

It is not a de Polignac number, because 311120101311 - 2¹ = 311120101309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120101511) 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, 62546790 + ... + 62551763.

It is an arithmetic number, because the mean of its divisors is an integer number (51915899910).

Almost surely, 2^311120101311 is an apocalyptic number.

311120101311 is a deficient number, since it is larger than the sum of its proper divisors (104207097969).

311120101311 is a wasteful number, since it uses less digits than its factorization.

311120101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125099385.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 311120101311 its reverse (113101021113), we get a palindrome (424221122424).

The spelling of 311120101311 in words is "three hundred eleven billion, one hundred twenty million, one hundred one thousand, three hundred eleven".