3131203304 has 8 divisors (see below), whose sum is σ = 5871006210. Its totient is φ = 1565601648.

The previous prime is 3131203247. The next prime is 3131203343. The reversal of 3131203304 is 4033021313.

It can be written as a sum of positive squares in only one way, i.e., 1840238404 + 1290964900 = 42898^2 + 35930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195700199 + ... + 195700214.

Almost surely, 2^3131203304 is an apocalyptic number.

It is an amenable number.

3131203304 is a deficient number, since it is larger than the sum of its proper divisors (2739802906).

3131203304 is a wasteful number, since it uses less digits than its factorization.

3131203304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391400419 (or 391400415 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3131203304 is about 55957.1559677580. The cubic root of 3131203304 is about 1462.9756201526.

Adding to 3131203304 its reverse (4033021313), we get a palindrome (7164224617).

The spelling of 3131203304 in words is "three billion, one hundred thirty-one million, two hundred three thousand, three hundred four".