321400524055051 has 8 divisors (see below), whose sum is σ = 386647246983680. Its totient is φ = 260986891713768.

The previous prime is 321400524055049. The next prime is 321400524055067. The reversal of 321400524055051 is 150550425004123.

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 321400524055051 - 2¹ = 321400524055049 is a prime.

It is a super-2 number, since 2×321400524055051² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321400524055051.

It is not an unprimeable number, because it can be changed into a prime (321400524055001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208272646691 + ... + 1208272646956.

It is an arithmetic number, because the mean of its divisors is an integer number (48330905872960).

Almost surely, 2^{321400524055051} is an apocalyptic number.

321400524055051 is a deficient number, since it is larger than the sum of its proper divisors (65246722928629).

321400524055051 is a wasteful number, since it uses less digits than its factorization.

321400524055051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416545293673.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 321400524055051 its reverse (150550425004123), we get a palindrome (471950949059174).

The spelling of 321400524055051 in words is "three hundred twenty-one trillion, four hundred billion, five hundred twenty-four million, fifty-five thousand, fifty-one".