3231021121103 has 4 divisors (see below), whose sum is σ = 3235200968088. Its totient is φ = 3226841274120.

The previous prime is 3231021121067. The next prime is 3231021121109. The reversal of 3231021121103 is 3011211201323.

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 3231021121103 - 2¹² = 3231021117007 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 (3231021121109) 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, 2089922333 + ... + 2089923878.

It is an arithmetic number, because the mean of its divisors is an integer number (808800242022).

Almost surely, 2^{3231021121103} is an apocalyptic number.

3231021121103 is a deficient number, since it is larger than the sum of its proper divisors (4179846985).

3231021121103 is an equidigital number, since it uses as much as digits as its factorization.

3231021121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179846984.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3231021121103 its reverse (3011211201323), we get a palindrome (6242232322426).

The spelling of 3231021121103 in words is "three trillion, two hundred thirty-one billion, twenty-one million, one hundred twenty-one thousand, one hundred three".