421310030 has 16 divisors (see below), whose sum is σ = 761955984. Its totient is φ = 167724480.

The previous prime is 421310027. The next prime is 421310033. The reversal of 421310030 is 30013124.

It is an interprime number because it is at equal distance from previous prime (421310027) and next prime (421310033).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421309987 and 421310014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421310033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97727 + ... + 101946.

It is an arithmetic number, because the mean of its divisors is an integer number (47622249).

Almost surely, 2^421310030 is an apocalyptic number.

421310030 is a deficient number, since it is larger than the sum of its proper divisors (340645954).

421310030 is a wasteful number, since it uses less digits than its factorization.

421310030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199891.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 421310030 is about 20525.8381071273. The cubic root of 421310030 is about 749.6650533996.

Adding to 421310030 its reverse (30013124), we get a palindrome (451323154).

The spelling of 421310030 in words is "four hundred twenty-one million, three hundred ten thousand, thirty".