420131431344330 has 144 divisors (see below), whose sum is σ = 1221449313034080. Its totient is φ = 99895027521024.

The previous prime is 420131431344307. The next prime is 420131431344341. The reversal of 420131431344330 is 33443134131024.

420131431344330 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 3 + 1 + 4 + 313 + 4 + 4 + 330 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 424576564 + ... + 425564943.

It is an arithmetic number, because the mean of its divisors is an integer number (8482286896070).

Almost surely, 2^{420131431344330} is an apocalyptic number.

420131431344330 is an abundant number, since it is smaller than the sum of its proper divisors (801317881689750).

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

420131431344330 is a wasteful number, since it uses less digits than its factorization.

420131431344330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850141573 (or 850141553 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 420131431344330 its reverse (33443134131024), we get a palindrome (453574565475354).

The spelling of 420131431344330 in words is "four hundred twenty trillion, one hundred thirty-one billion, four hundred thirty-one million, three hundred forty-four thousand, three hundred thirty".