3231322131 has 4 divisors (see below), whose sum is σ = 4308429512. Its totient is φ = 2154214752.

The previous prime is 3231322121. The next prime is 3231322181. The reversal of 3231322131 is 1312231323.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3231322131 - 2¹⁴ = 3231305747 is a prime.

It is a super-2 number, since 2×3231322131² = 20882885428580762322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231322098 and 3231322107.

It is not an unprimeable number, because it can be changed into a prime (3231322121) 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, 538553686 + ... + 538553691.

It is an arithmetic number, because the mean of its divisors is an integer number (1077107378).

Almost surely, 2^3231322131 is an apocalyptic number.

3231322131 is a deficient number, since it is larger than the sum of its proper divisors (1077107381).

3231322131 is a wasteful number, since it uses less digits than its factorization.

3231322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077107380.

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

The square root of 3231322131 is about 56844.7194645202. The cubic root of 3231322131 is about 1478.4049852962.

Adding to 3231322131 its reverse (1312231323), we get a palindrome (4543553454).

The spelling of 3231322131 in words is "three billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred thirty-one".