331230111320221 has 8 divisors (see below), whose sum is σ = 332483510623104. Its totient is φ = 329979030981600.

The previous prime is 331230111320209. The next prime is 331230111320231. The reversal of 331230111320221 is 122023111032133.

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 331230111320221 - 2⁷ = 331230111320093 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 (331230111320231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579454855 + ... + 580026196.

It is an arithmetic number, because the mean of its divisors is an integer number (41560438827888).

Almost surely, 2^{331230111320221} is an apocalyptic number.

It is an amenable number.

331230111320221 is a deficient number, since it is larger than the sum of its proper divisors (1253399302883).

331230111320221 is a wasteful number, since it uses less digits than its factorization.

331230111320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159482131.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331230111320221 its reverse (122023111032133), we get a palindrome (453253222352354).

The spelling of 331230111320221 in words is "three hundred thirty-one trillion, two hundred thirty billion, one hundred eleven million, three hundred twenty thousand, two hundred twenty-one".