331301321201 has 4 divisors (see below), whose sum is σ = 334581532404. Its totient is φ = 328021110000.

The previous prime is 331301321191. The next prime is 331301321237. The reversal of 331301321201 is 102123103133.

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 315339525601 + 15961795600 = 561551^2 + 126340^2 .

It is a cyclic number.

It is not a de Polignac number, because 331301321201 - 2¹⁸ = 331301059057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331301321101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640105450 + ... + 1640105651.

It is an arithmetic number, because the mean of its divisors is an integer number (83645383101).

Almost surely, 2^331301321201 is an apocalyptic number.

It is an amenable number.

331301321201 is a deficient number, since it is larger than the sum of its proper divisors (3280211203).

331301321201 is a wasteful number, since it uses less digits than its factorization.

331301321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280211202.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331301321201 its reverse (102123103133), we get a palindrome (433424424334).

The spelling of 331301321201 in words is "three hundred thirty-one billion, three hundred one million, three hundred twenty-one thousand, two hundred one".