321131113223111 has 8 divisors (see below), whose sum is σ = 322657244160384. Its totient is φ = 319605021744120.

The previous prime is 321131113223071. The next prime is 321131113223113. The reversal of 321131113223111 is 111322311131123.

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 321131113223111 - 2¹⁴ = 321131113206727 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 (321131113223113) 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, 6515576 + ... + 26167058.

It is an arithmetic number, because the mean of its divisors is an integer number (40332155520048).

Almost surely, 2^{321131113223111} is an apocalyptic number.

321131113223111 is a deficient number, since it is larger than the sum of its proper divisors (1526130937273).

321131113223111 is a wasteful number, since it uses less digits than its factorization.

321131113223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729141.

The product of its digits is 648, while the sum is 26.

Adding to 321131113223111 its reverse (111322311131123), we get a palindrome (432453424354234).

The spelling of 321131113223111 in words is "three hundred twenty-one trillion, one hundred thirty-one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred eleven".