311334511132 has 48 divisors (see below), whose sum is σ = 551432044800. Its totient is φ = 153796769280.

The previous prime is 311334511091. The next prime is 311334511177. The reversal of 311334511132 is 231115433113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 311334511132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91864494 + ... + 91867882.

It is an arithmetic number, because the mean of its divisors is an integer number (11488167600).

Almost surely, 2^311334511132 is an apocalyptic number.

It is an amenable number.

311334511132 is a deficient number, since it is larger than the sum of its proper divisors (240097533668).

311334511132 is a wasteful number, since it uses less digits than its factorization.

311334511132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4364 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

Adding to 311334511132 its reverse (231115433113), we get a palindrome (542449944245).

The spelling of 311334511132 in words is "three hundred eleven billion, three hundred thirty-four million, five hundred eleven thousand, one hundred thirty-two".