3131333332 has 12 divisors (see below), whose sum is σ = 5486927796. Its totient is φ = 1563639680.

The previous prime is 3131333329. The next prime is 3131333363. The reversal of 3131333332 is 2333331313.

3131333332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128731716 + 3002601616 = 11346^2 + 54796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3131333297 and 3131333306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503269 + ... + 509452.

It is an arithmetic number, because the mean of its divisors is an integer number (457243983).

Almost surely, 2^3131333332 is an apocalyptic number.

It is an amenable number.

3131333332 is a deficient number, since it is larger than the sum of its proper divisors (2355594464).

3131333332 is a wasteful number, since it uses less digits than its factorization.

3131333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013498 (or 1013496 counting only the distinct ones).

The product of its digits is 4374, while the sum is 25.

The square root of 3131333332 is about 55958.3178088834. The cubic root of 3131333332 is about 1462.9958706381.

Adding to 3131333332 its reverse (2333331313), we get a palindrome (5464664645).

The spelling of 3131333332 in words is "three billion, one hundred thirty-one million, three hundred thirty-three thousand, three hundred thirty-two".