311112132000 has 192 divisors, whose sum is σ = 1046750874624. Its totient is φ = 80720870400.

The previous prime is 311112131989. The next prime is 311112132011. The reversal of 311112132000 is 231211113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (311112131989) and next prime (311112132011).

It is a Harshad number since it is a multiple of its sum of digits (15).

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 31 ways as a sum of consecutive naturals, for example, 93649 + ... + 794351.

It is an arithmetic number, because the mean of its divisors is an integer number (5451827472).

Almost surely, 2^311112132000 is an apocalyptic number.

311112132000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311112132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523375437312).

311112132000 is an abundant number, since it is smaller than the sum of its proper divisors (735638742624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311112132000 is a wasteful number, since it uses less digits than its factorization.

311112132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700768 (or 700750 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 311112132000 its reverse (231211113), we get a palindrome (311343343113).

The spelling of 311112132000 in words is "three hundred eleven billion, one hundred twelve million, one hundred thirty-two thousand".