421316302 has 8 divisors (see below), whose sum is σ = 689426712. Its totient is φ = 191507400.

The previous prime is 421316293. The next prime is 421316309. The reversal of 421316302 is 203613124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 19150741 = 421316302 / (4 + 2 + 1 + 3 + 1 + 6 + 3 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421316309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9575349 + ... + 9575392.

It is an arithmetic number, because the mean of its divisors is an integer number (86178339).

Almost surely, 2^421316302 is an apocalyptic number.

421316302 is a deficient number, since it is larger than the sum of its proper divisors (268110410).

421316302 is a wasteful number, since it uses less digits than its factorization.

421316302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19150754.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 421316302 is about 20525.9908896014. The cubic root of 421316302 is about 749.6687734439.

Adding to 421316302 its reverse (203613124), we get a palindrome (624929426).

The spelling of 421316302 in words is "four hundred twenty-one million, three hundred sixteen thousand, three hundred two".