321134052103 has 4 divisors (see below), whose sum is σ = 340024290480. Its totient is φ = 302243813728.

The previous prime is 321134052089. The next prime is 321134052133. The reversal of 321134052103 is 301250431123.

It is a happy number.

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 321134052103 - 2²⁵ = 321100497671 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 (321134052133) 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, 9445119163 + ... + 9445119196.

It is an arithmetic number, because the mean of its divisors is an integer number (85006072620).

Almost surely, 2^321134052103 is an apocalyptic number.

321134052103 is a deficient number, since it is larger than the sum of its proper divisors (18890238377).

321134052103 is a wasteful number, since it uses less digits than its factorization.

321134052103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890238376.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 321134052103 its reverse (301250431123), we get a palindrome (622384483226).

The spelling of 321134052103 in words is "three hundred twenty-one billion, one hundred thirty-four million, fifty-two thousand, one hundred three".