311333020132 has 48 divisors (see below), whose sum is σ = 575920800000. Its totient is φ = 146854486944.

The previous prime is 311333020129. The next prime is 311333020153. The reversal of 311333020132 is 231020333113.

It is an unprimeable number.

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, 17701719 + ... + 17719297.

It is an arithmetic number, because the mean of its divisors is an integer number (11998350000).

Almost surely, 2^311333020132 is an apocalyptic number.

It is an amenable number.

311333020132 is a deficient number, since it is larger than the sum of its proper divisors (264587779868).

311333020132 is a wasteful number, since it uses less digits than its factorization.

311333020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568 (or 18566 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 311333020132 its reverse (231020333113), we get a palindrome (542353353245).

The spelling of 311333020132 in words is "three hundred eleven billion, three hundred thirty-three million, twenty thousand, one hundred thirty-two".