42311320000 has 140 divisors (see below), whose sum is σ = 105757146880. Its totient is φ = 16789248000.

The previous prime is 42311319971. The next prime is 42311320031. The reversal of 42311320000 is 2311324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5075836 + ... + 5084164.

It is an arithmetic number, because the mean of its divisors is an integer number (755408192).

Almost surely, 2^42311320000 is an apocalyptic number.

42311320000 is a gapful number since it is divisible by the number (40) 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 42311320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52878573440).

42311320000 is an abundant number, since it is smaller than the sum of its proper divisors (63445826880).

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

42311320000 is an equidigital number, since it uses as much as digits as its factorization.

42311320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488 (or 8463 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 42311320000 its reverse (2311324), we get a palindrome (42313631324).

It can be divided in two parts, 4231 and 1320000, that added together give a palindrome (1324231).

The spelling of 42311320000 in words is "forty-two billion, three hundred eleven million, three hundred twenty thousand".