321020132032103 has 32 divisors (see below), whose sum is σ = 389661958869120. Its totient is φ = 258174624890880.

The previous prime is 321020132032007. The next prime is 321020132032121. The reversal of 321020132032103 is 301230231020123.

It is a de Polignac number, because none of the positive numbers 2^k-321020132032103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321020132032123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73462523 + ... + 77709603.

It is an arithmetic number, because the mean of its divisors is an integer number (12176936214660).

Almost surely, 2^{321020132032103} is an apocalyptic number.

321020132032103 is a deficient number, since it is larger than the sum of its proper divisors (68641826837017).

321020132032103 is a wasteful number, since it uses less digits than its factorization.

321020132032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249067.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321020132032103 its reverse (301230231020123), we get a palindrome (622250363052226).

The spelling of 321020132032103 in words is "three hundred twenty-one trillion, twenty billion, one hundred thirty-two million, thirty-two thousand, one hundred three".