311330233132 has 12 divisors (see below), whose sum is σ = 545377690816. Its totient is φ = 155508035760.

The previous prime is 311330233121. The next prime is 311330233141. The reversal of 311330233132 is 231332033113.

It is a junction number, because it is equal to n+sod(n) for n = 311330233097 and 311330233106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39265743 + ... + 39273670.

Almost surely, 2^311330233132 is an apocalyptic number.

It is an amenable number.

311330233132 is a deficient number, since it is larger than the sum of its proper divisors (234047457684).

311330233132 is a wasteful number, since it uses less digits than its factorization.

311330233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78540408 (or 78540406 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 311330233132 its reverse (231332033113), we get a palindrome (542662266245).

The spelling of 311330233132 in words is "three hundred eleven billion, three hundred thirty million, two hundred thirty-three thousand, one hundred thirty-two".