421104131332 has 12 divisors (see below), whose sum is σ = 739799672220. Its totient is φ = 209732796416.

The previous prime is 421104131323. The next prime is 421104131351. The reversal of 421104131332 is 233131401124.

It can be written as a sum of positive squares in 2 ways, for example, as 248059779136 + 173044352196 = 498056^2 + 415986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421104131297 and 421104131306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204816157 + ... + 204818212.

It is an arithmetic number, because the mean of its divisors is an integer number (61649972685).

Almost surely, 2^421104131332 is an apocalyptic number.

It is an amenable number.

421104131332 is a deficient number, since it is larger than the sum of its proper divisors (318695540888).

421104131332 is a wasteful number, since it uses less digits than its factorization.

421104131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409634630 (or 409634628 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 421104131332 its reverse (233131401124), we get a palindrome (654235532456).

The spelling of 421104131332 in words is "four hundred twenty-one billion, one hundred four million, one hundred thirty-one thousand, three hundred thirty-two".