342311442 has 64 divisors (see below), whose sum is σ = 763776000. Its totient is φ = 101407680.

The previous prime is 342311441. The next prime is 342311477. The reversal of 342311442 is 244113243.

It is a super-3 number, since 3×342311442³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (342311441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879784 + ... + 880172.

It is an arithmetic number, because the mean of its divisors is an integer number (11934000).

Almost surely, 2^342311442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342311442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381888000).

342311442 is an abundant number, since it is smaller than the sum of its proper divisors (421464558).

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

342311442 is a wasteful number, since it uses less digits than its factorization.

342311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its digits is 2304, while the sum is 24.

The square root of 342311442 is about 18501.6605200722. The cubic root of 342311442 is about 699.5312794116.

Adding to 342311442 its reverse (244113243), we get a palindrome (586424685).

The spelling of 342311442 in words is "three hundred forty-two million, three hundred eleven thousand, four hundred forty-two".