421403312131241 has 8 divisors (see below), whose sum is σ = 459721172985984. Its totient is φ = 383086862750320.

The previous prime is 421403312131229. The next prime is 421403312131259. The reversal of 421403312131241 is 142131213304124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421403312131241 - 2²² = 421403307936937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421403312131198 and 421403312131207.

It is not an unprimeable number, because it can be changed into a prime (421403312131141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352244150 + ... + 353438463.

It is an arithmetic number, because the mean of its divisors is an integer number (57465146623248).

Almost surely, 2^{421403312131241} is an apocalyptic number.

It is an amenable number.

421403312131241 is a deficient number, since it is larger than the sum of its proper divisors (38317860854743).

421403312131241 is a wasteful number, since it uses less digits than its factorization.

421403312131241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705736911.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 421403312131241 its reverse (142131213304124), we get a palindrome (563534525435365).

The spelling of 421403312131241 in words is "four hundred twenty-one trillion, four hundred three billion, three hundred twelve million, one hundred thirty-one thousand, two hundred forty-one".