421340201011331 has 8 divisors (see below), whose sum is σ = 481533078732384. Its totient is φ = 361147678398720.

The previous prime is 421340201011321. The next prime is 421340201011349. The reversal of 421340201011331 is 133110102043124.

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 421340201011331 - 2¹⁰ = 421340201010307 is a prime.

It is a super-3 number, since 3×421340201011331³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 421340201011331.

It is not an unprimeable number, because it can be changed into a prime (421340201011321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86229710 + ... + 90984851.

It is an arithmetic number, because the mean of its divisors is an integer number (60191634841548).

Almost surely, 2^{421340201011331} is an apocalyptic number.

421340201011331 is a deficient number, since it is larger than the sum of its proper divisors (60192877721053).

421340201011331 is a wasteful number, since it uses less digits than its factorization.

421340201011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177554221.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 421340201011331 its reverse (133110102043124), we get a palindrome (554450303054455).

The spelling of 421340201011331 in words is "four hundred twenty-one trillion, three hundred forty billion, two hundred one million, eleven thousand, three hundred thirty-one".