3231321213131 has 16 divisors (see below), whose sum is σ = 3605157434880. Its totient is φ = 2871007939680.

The previous prime is 3231321213119. The next prime is 3231321213137. The reversal of 3231321213131 is 1313121231323.

It is a cyclic number.

It is not a de Polignac number, because 3231321213131 - 2¹⁸ = 3231320950987 is a prime.

It is a super-2 number, since 2×3231321213131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3231321213131.

It is not an unprimeable number, because it can be changed into a prime (3231321213137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4041161 + ... + 4774266.

It is an arithmetic number, because the mean of its divisors is an integer number (225322339680).

Almost surely, 2^{3231321213131} is an apocalyptic number.

3231321213131 is a deficient number, since it is larger than the sum of its proper divisors (373836221749).

3231321213131 is a wasteful number, since it uses less digits than its factorization.

3231321213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816194.

The product of its digits is 1944, while the sum is 26.

Adding to 3231321213131 its reverse (1313121231323), we get a palindrome (4544442444454).

The spelling of 3231321213131 in words is "three trillion, two hundred thirty-one billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-one".