311430230201421 has 16 divisors (see below), whose sum is σ = 462084670326720. Its totient is φ = 207302205288240.

The previous prime is 311430230201407. The next prime is 311430230201423. The reversal of 311430230201421 is 124102032034113.

311430230201421 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 3 + 0 + 2 + 30 + 201 + 421 = 666.

It is not a de Polignac number, because 311430230201421 - 2¹⁵ = 311430230168653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311430230201423) 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 15 ways as a sum of consecutive naturals, for example, 8831875915 + ... + 8831911176.

It is an arithmetic number, because the mean of its divisors is an integer number (28880291895420).

Almost surely, 2^{311430230201421} is an apocalyptic number.

It is an amenable number.

311430230201421 is a deficient number, since it is larger than the sum of its proper divisors (150654440125299).

311430230201421 is a wasteful number, since it uses less digits than its factorization.

311430230201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663787753 (or 17663787747 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 311430230201421 its reverse (124102032034113), we get a palindrome (435532262235534).

The spelling of 311430230201421 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred thirty million, two hundred one thousand, four hundred twenty-one".