3231122131 has 8 divisors (see below), whose sum is σ = 3279482864. Its totient is φ = 3182872320.

The previous prime is 3231122123. The next prime is 3231122149. The reversal of 3231122131 is 1312211323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3231122131 - 2³ = 3231122123 is a prime.

It is a super-3 number, since 3×3231122131³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231122099 and 3231122108.

It is not an unprimeable number, because it can be changed into a prime (3231182131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31915 + ... + 86491.

It is an arithmetic number, because the mean of its divisors is an integer number (409935358).

Almost surely, 2^3231122131 is an apocalyptic number.

3231122131 is a deficient number, since it is larger than the sum of its proper divisors (48360733).

3231122131 is an equidigital number, since it uses as much as digits as its factorization.

3231122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55461.

The product of its digits is 216, while the sum is 19.

The square root of 3231122131 is about 56842.9602589450. The cubic root of 3231122131 is about 1478.3744831173.

Adding to 3231122131 its reverse (1312211323), we get a palindrome (4543333454).

The spelling of 3231122131 in words is "three billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-one".