321230220103 has 32 divisors (see below), whose sum is σ = 352034242560. Its totient is φ = 291351461760.

The previous prime is 321230220037. The next prime is 321230220119. The reversal of 321230220103 is 301022032123.

It is a cyclic number.

It is not a de Polignac number, because 321230220103 - 2²⁹ = 320693349191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230220193) 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, 94728538 + ... + 94731928.

It is an arithmetic number, because the mean of its divisors is an integer number (11001070080).

Almost surely, 2^321230220103 is an apocalyptic number.

321230220103 is a deficient number, since it is larger than the sum of its proper divisors (30804022457).

321230220103 is a wasteful number, since it uses less digits than its factorization.

321230220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 321230220103 its reverse (301022032123), we get a palindrome (622252252226).

The spelling of 321230220103 in words is "three hundred twenty-one billion, two hundred thirty million, two hundred twenty thousand, one hundred three".