321430034000421 has 12 divisors (see below), whose sum is σ = 464325485239980. Its totient is φ = 214269308556480.

The previous prime is 321430034000401. The next prime is 321430034000423. The reversal of 321430034000421 is 124000430034123.

321430034000421 is a `hidden beast` number, since 3 + 2 + 14 + 300 + 340 + 0 + 0 + 4 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27480346308900 + 293949687691521 = 5242170^2 + 17144961^2 .

It is not a de Polignac number, because 321430034000421 - 2¹³ = 321430033992229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321430034000423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1448280970 + ... + 1448502891.

It is an arithmetic number, because the mean of its divisors is an integer number (38693790436665).

Almost surely, 2^{321430034000421} is an apocalyptic number.

It is an amenable number.

321430034000421 is a deficient number, since it is larger than the sum of its proper divisors (142895451239559).

321430034000421 is a wasteful number, since it uses less digits than its factorization.

321430034000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896796196 (or 2896796193 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 321430034000421 its reverse (124000430034123), we get a palindrome (445430464034544).

The spelling of 321430034000421 in words is "three hundred twenty-one trillion, four hundred thirty billion, thirty-four million, four hundred twenty-one", and thus it is an aban number.