342731168 has 48 divisors (see below), whose sum is σ = 734900040. Its totient is φ = 156389376.

The previous prime is 342731159. The next prime is 342731189. The reversal of 342731168 is 861137243.

It is a Cunningham number, because it is equal to 18513²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 93470224 + 249260944 = 9668^2 + 15788^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32396 + ... + 41652.

Almost surely, 2^342731168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342731168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367450020).

342731168 is an abundant number, since it is smaller than the sum of its proper divisors (392168872).

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

342731168 is a wasteful number, since it uses less digits than its factorization.

342731168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9369 (or 9361 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 342731168 is about 18512.9999729920. Note that the first 4 decimals coincide. The cubic root of 342731168 is about 699.8170732895.

The spelling of 342731168 in words is "three hundred forty-two million, seven hundred thirty-one thousand, one hundred sixty-eight".