303120342 has 48 divisors (see below), whose sum is σ = 755239680. Its totient is φ = 86068656.

The previous prime is 303120341. The next prime is 303120359. The reversal of 303120342 is 243021303.

303120342 is a `hidden beast` number, since 303 + 1 + 20 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303120341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13159 + ... + 27917.

It is an arithmetic number, because the mean of its divisors is an integer number (15734160).

Almost surely, 2^303120342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303120342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377619840).

303120342 is an abundant number, since it is smaller than the sum of its proper divisors (452119338).

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

303120342 is a wasteful number, since it uses less digits than its factorization.

303120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14937 (or 14934 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 303120342 is about 17410.3515760021. The cubic root of 303120342 is about 671.7459046781.

Adding to 303120342 its reverse (243021303), we get a palindrome (546141645).

The spelling of 303120342 in words is "three hundred three million, one hundred twenty thousand, three hundred forty-two".