3131310404 has 6 divisors (see below), whose sum is σ = 5479793214. Its totient is φ = 1565655200.

The previous prime is 3131310389. The next prime is 3131310419. The reversal of 3131310404 is 4040131313.

It is an interprime number because it is at equal distance from previous prime (3131310389) and next prime (3131310419).

It can be written as a sum of positive squares in only one way, i.e., 2575765504 + 555544900 = 50752^2 + 23570^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391413797 + ... + 391413804.

It is an arithmetic number, because the mean of its divisors is an integer number (913298869).

Almost surely, 2^3131310404 is an apocalyptic number.

It is an amenable number.

3131310404 is a deficient number, since it is larger than the sum of its proper divisors (2348482810).

3131310404 is a wasteful number, since it uses less digits than its factorization.

3131310404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782827605 (or 782827603 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3131310404 is about 55958.1129417353. The cubic root of 3131310404 is about 1462.9922998853.

Adding to 3131310404 its reverse (4040131313), we get a palindrome (7171441717).

The spelling of 3131310404 in words is "three billion, one hundred thirty-one million, three hundred ten thousand, four hundred four".