331201321111103 has 4 divisors (see below), whose sum is σ = 335866128450768. Its totient is φ = 326536513771440.

The previous prime is 331201321111057. The next prime is 331201321111139. The reversal of 331201321111103 is 301111123102133.

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

It is a cyclic number.

It is not a de Polignac number, because 331201321111103 - 2²⁰ = 331201320062527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331201321111153) 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, 2332403669726 + ... + 2332403669867.

It is an arithmetic number, because the mean of its divisors is an integer number (83966532112692).

Almost surely, 2^{331201321111103} is an apocalyptic number.

331201321111103 is a deficient number, since it is larger than the sum of its proper divisors (4664807339665).

331201321111103 is an equidigital number, since it uses as much as digits as its factorization.

331201321111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664807339664.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 331201321111103 its reverse (301111123102133), we get a palindrome (632312444213236).

The spelling of 331201321111103 in words is "three hundred thirty-one trillion, two hundred one billion, three hundred twenty-one million, one hundred eleven thousand, one hundred three".