330431212320401 has 4 divisors (see below), whose sum is σ = 332843118979812. Its totient is φ = 328019305660992.

The previous prime is 330431212320383. The next prime is 330431212320403. The reversal of 330431212320401 is 104023212134033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238987606682176 + 91443605638225 = 15459224^2 + 9562615^2 .

It is a cyclic number.

It is not a de Polignac number, because 330431212320401 - 2²⁶ = 330431145211537 is a prime.

It is a super-2 number, since 2×330431212320401² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330431212320403) 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 3 ways as a sum of consecutive naturals, for example, 1205953329500 + ... + 1205953329773.

It is an arithmetic number, because the mean of its divisors is an integer number (83210779744953).

Almost surely, 2^{330431212320401} is an apocalyptic number.

It is an amenable number.

330431212320401 is a deficient number, since it is larger than the sum of its proper divisors (2411906659411).

330431212320401 is a wasteful number, since it uses less digits than its factorization.

330431212320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411906659410.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 330431212320401 its reverse (104023212134033), we get a palindrome (434454424454434).

The spelling of 330431212320401 in words is "three hundred thirty trillion, four hundred thirty-one billion, two hundred twelve million, three hundred twenty thousand, four hundred one".