3131331332 has 12 divisors (see below), whose sum is σ = 5480487516. Its totient is φ = 1565477760.

The previous prime is 3131331323. The next prime is 3131331341. The reversal of 3131331332 is 2331331313.

It is an interprime number because it is at equal distance from previous prime (3131331323) and next prime (3131331341).

It can be written as a sum of positive squares in 2 ways, for example, as 2878966336 + 252364996 = 53656^2 + 15886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3131331298 and 3131331307.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5393 + ... + 79320.

It is an arithmetic number, because the mean of its divisors is an integer number (456707293).

Almost surely, 2^3131331332 is an apocalyptic number.

It is an amenable number.

3131331332 is a deficient number, since it is larger than the sum of its proper divisors (2349156184).

3131331332 is a wasteful number, since it uses less digits than its factorization.

3131331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93958 (or 93956 counting only the distinct ones).

The product of its digits is 1458, while the sum is 23.

The square root of 3131331332 is about 55958.2999384363. The cubic root of 3131331332 is about 1462.9955591635.

Adding to 3131331332 its reverse (2331331313), we get a palindrome (5462662645).

The spelling of 3131331332 in words is "three billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred thirty-two".