321054135103 has 16 divisors (see below), whose sum is σ = 366444219456. Its totient is φ = 278654123520.

The previous prime is 321054135071. The next prime is 321054135107. The reversal of 321054135103 is 301531450123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321054135103 - 2⁵ = 321054135071 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 (321054135107) 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, 476676 + ... + 932377.

It is an arithmetic number, because the mean of its divisors is an integer number (22902763716).

Almost surely, 2^321054135103 is an apocalyptic number.

321054135103 is a deficient number, since it is larger than the sum of its proper divisors (45390084353).

321054135103 is a wasteful number, since it uses less digits than its factorization.

321054135103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410114.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 321054135103 its reverse (301531450123), we get a palindrome (622585585226).

The spelling of 321054135103 in words is "three hundred twenty-one billion, fifty-four million, one hundred thirty-five thousand, one hundred three".