421131220304334 has 16 divisors (see below), whose sum is σ = 844216645812480. Its totient is φ = 140051372567480.

The previous prime is 421131220304297. The next prime is 421131220304419. The reversal of 421131220304334 is 433403022131124.

It is a junction number, because it is equal to n+sod(n) for n = 421131220304295 and 421131220304304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81425214024 + ... + 81425219195.

It is an arithmetic number, because the mean of its divisors is an integer number (52763540363280).

Almost surely, 2^{421131220304334} is an apocalyptic number.

421131220304334 is an abundant number, since it is smaller than the sum of its proper divisors (423085425508146).

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

421131220304334 is a wasteful number, since it uses less digits than its factorization.

421131220304334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162850433655.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 421131220304334 its reverse (433403022131124), we get a palindrome (854534242435458).

The spelling of 421131220304334 in words is "four hundred twenty-one trillion, one hundred thirty-one billion, two hundred twenty million, three hundred four thousand, three hundred thirty-four".