321123013311 has 16 divisors (see below), whose sum is σ = 444289794048. Its totient is φ = 206091434400.

The previous prime is 321123013303. The next prime is 321123013327. The reversal of 321123013311 is 113310321123.

It is a happy number.

321123013311 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 321123013311 - 2³ = 321123013303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321123013361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9021336 + ... + 9056861.

It is an arithmetic number, because the mean of its divisors is an integer number (27768112128).

Almost surely, 2^321123013311 is an apocalyptic number.

321123013311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

321123013311 is a deficient number, since it is larger than the sum of its proper divisors (123166780737).

321123013311 is a wasteful number, since it uses less digits than its factorization.

321123013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18078422.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 321123013311 its reverse (113310321123), we get a palindrome (434433334434).

The spelling of 321123013311 in words is "three hundred twenty-one billion, one hundred twenty-three million, thirteen thousand, three hundred eleven".