331201033021201 has 4 divisors (see below), whose sum is σ = 378515466309952. Its totient is φ = 283886599732452.

The previous prime is 331201033021189. The next prime is 331201033021237. The reversal of 331201033021201 is 102120330102133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331201033021201 - 2¹⁷ = 331201032890129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331201033031201) 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, 23657216644365 + ... + 23657216644378.

It is an arithmetic number, because the mean of its divisors is an integer number (94628866577488).

Almost surely, 2^{331201033021201} is an apocalyptic number.

It is an amenable number.

331201033021201 is a deficient number, since it is larger than the sum of its proper divisors (47314433288751).

331201033021201 is an equidigital number, since it uses as much as digits as its factorization.

331201033021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47314433288750.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331201033021201 its reverse (102120330102133), we get a palindrome (433321363123334).

The spelling of 331201033021201 in words is "three hundred thirty-one trillion, two hundred one billion, thirty-three million, twenty-one thousand, two hundred one".