321012031133421 has 8 divisors (see below), whose sum is σ = 475573379456960. Its totient is φ = 214008020755596.

The previous prime is 321012031133413. The next prime is 321012031133543. The reversal of 321012031133421 is 124331130210123.

321012031133421 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 1 + 2 + 0 + 311 + 3 + 342 + 1 = 666.

It is not a de Polignac number, because 321012031133421 - 2³ = 321012031133413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11889334486423 = 321012031133421 / (3 + 2 + 1 + 0 + 1 + 2 + 0 + 3 + 1 + 1 + 3 + 3 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012031133921) 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, 5944667243185 + ... + 5944667243238.

It is an arithmetic number, because the mean of its divisors is an integer number (59446672432120).

Almost surely, 2^{321012031133421} is an apocalyptic number.

It is an amenable number.

321012031133421 is a deficient number, since it is larger than the sum of its proper divisors (154561348323539).

321012031133421 is a wasteful number, since it uses less digits than its factorization.

321012031133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11889334486432 (or 11889334486426 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 321012031133421 its reverse (124331130210123), we get a palindrome (445343161343544).

The spelling of 321012031133421 in words is "three hundred twenty-one trillion, twelve billion, thirty-one million, one hundred thirty-three thousand, four hundred twenty-one".