421030303032430 has 128 divisors (see below), whose sum is σ = 934842688819200. Its totient is φ = 132949484918784.

The previous prime is 421030303032323. The next prime is 421030303032461. The reversal of 421030303032430 is 34230303030124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1779993711 + ... + 1780230229.

It is an arithmetic number, because the mean of its divisors is an integer number (7303458506400).

Almost surely, 2^{421030303032430} is an apocalyptic number.

421030303032430 is an abundant number, since it is smaller than the sum of its proper divisors (513812385786770).

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

421030303032430 is a wasteful number, since it uses less digits than its factorization.

421030303032430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240938.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 421030303032430 its reverse (34230303030124), we get a palindrome (455260606062554).

The spelling of 421030303032430 in words is "four hundred twenty-one trillion, thirty billion, three hundred three million, thirty-two thousand, four hundred thirty".