421131220304332 has 6 divisors (see below), whose sum is σ = 736979635532588. Its totient is φ = 210565610152164.

The previous prime is 421131220304297. The next prime is 421131220304419. The reversal of 421131220304332 is 233403022131124.

It is a junction number, because it is equal to n+sod(n) for n = 421131220304294 and 421131220304303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52641402538038 + ... + 52641402538045.

Almost surely, 2^{421131220304332} is an apocalyptic number.

It is an amenable number.

421131220304332 is a deficient number, since it is larger than the sum of its proper divisors (315848415228256).

421131220304332 is a wasteful number, since it uses less digits than its factorization.

421131220304332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105282805076087 (or 105282805076085 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 421131220304332 its reverse (233403022131124), we get a palindrome (654534242435456).

The spelling of 421131220304332 in words is "four hundred twenty-one trillion, one hundred thirty-one billion, two hundred twenty million, three hundred four thousand, three hundred thirty-two".