303421302 has 20 divisors (see below), whose sum is σ = 679888836. Its totient is φ = 101140380.

The previous prime is 303421277. The next prime is 303421303. The reversal of 303421302 is 203124303.

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 (303421303) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 936324 + ... + 936647.

Almost surely, 2^303421302 is an apocalyptic number.

303421302 is an abundant number, since it is smaller than the sum of its proper divisors (376467534).

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

303421302 is a wasteful number, since it uses less digits than its factorization.

303421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872985 (or 1872976 counting only the distinct ones).

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

The square root of 303421302 is about 17418.9925655877. The cubic root of 303421302 is about 671.9681505951.

Adding to 303421302 its reverse (203124303), we get a palindrome (506545605).

It can be divided in two parts, 3034 and 21302, that added together give a square (24336 = 156²).

The spelling of 303421302 in words is "three hundred three million, four hundred twenty-one thousand, three hundred two".