3221313123 has 16 divisors (see below), whose sum is σ = 4909605120. Its totient is φ = 1840398816.

The previous prime is 3221313101. The next prime is 3221313253. The reversal of 3221313123 is 3213131223.

It is not a de Polignac number, because 3221313123 - 2²¹ = 3219215971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3221313123.

It is not an unprimeable number, because it can be changed into a prime (3221313923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132133 + ... + 154601.

It is an arithmetic number, because the mean of its divisors is an integer number (306850320).

Almost surely, 2^3221313123 is an apocalyptic number.

3221313123 is a deficient number, since it is larger than the sum of its proper divisors (1688291997).

3221313123 is a wasteful number, since it uses less digits than its factorization.

3221313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29306.

The product of its digits is 648, while the sum is 21.

The square root of 3221313123 is about 56756.6130331964. The cubic root of 3221313123 is about 1476.8769552481.

Adding to 3221313123 its reverse (3213131223), we get a palindrome (6434444346).

The spelling of 3221313123 in words is "three billion, two hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-three".