243381183342 has 64 divisors (see below), whose sum is σ = 549866741760. Its totient is φ = 71138390400.

The previous prime is 243381183319. The next prime is 243381183359.

243381183342 is nontrivially palindromic in base 10.

243381183342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×243381183342³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243381183294 and 243381183303.

It is a congruent number.

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, 1891923 + ... + 2016465.

It is an arithmetic number, because the mean of its divisors is an integer number (8591667840).

Almost surely, 2^243381183342 is an apocalyptic number.

243381183342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 243381183342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274933370880).

243381183342 is an abundant number, since it is smaller than the sum of its proper divisors (306485558418).

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

243381183342 is a wasteful number, since it uses less digits than its factorization.

243381183342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125609.

The product of its digits is 331776, while the sum is 42.

The spelling of 243381183342 in words is "two hundred forty-three billion, three hundred eighty-one million, one hundred eighty-three thousand, three hundred forty-two".