303420140 has 24 divisors (see below), whose sum is σ = 664886880. Its totient is φ = 116091008.

The previous prime is 303420113. The next prime is 303420151. The reversal of 303420140 is 41024303.

303420140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329345 + ... + 330264.

It is an arithmetic number, because the mean of its divisors is an integer number (27703620).

Almost surely, 2^303420140 is an apocalyptic number.

It is an amenable number.

303420140 is an abundant number, since it is smaller than the sum of its proper divisors (361466740).

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

303420140 is a wasteful number, since it uses less digits than its factorization.

303420140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659641 (or 659639 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 303420140 is about 17418.9592111584. The cubic root of 303420140 is about 671.9672927911.

Adding to 303420140 its reverse (41024303), we get a palindrome (344444443).

The spelling of 303420140 in words is "three hundred three million, four hundred twenty thousand, one hundred forty".