342240312 has 64 divisors (see below), whose sum is σ = 905155200. Its totient is φ = 107533440.

The previous prime is 342240307. The next prime is 342240313. The reversal of 342240312 is 213042243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342240313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94438 + ... + 97994.

It is an arithmetic number, because the mean of its divisors is an integer number (14143050).

Almost surely, 2^342240312 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 342240312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452577600).

342240312 is an abundant number, since it is smaller than the sum of its proper divisors (562914888).

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

342240312 is a wasteful number, since it uses less digits than its factorization.

342240312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 342240312 is about 18499.7381603092. The cubic root of 342240312 is about 699.4828234340.

Adding to 342240312 its reverse (213042243), we get a palindrome (555282555).

It can be divided in two parts, 3422 and 40312, that added together give a palindrome (43734).

The spelling of 342240312 in words is "three hundred forty-two million, two hundred forty thousand, three hundred twelve".