3131042444 has 24 divisors (see below), whose sum is σ = 5595609600. Its totient is φ = 1532520080.

The previous prime is 3131042443. The next prime is 3131042477. The reversal of 3131042444 is 4442401313.

It is a super-2 number, since 2×3131042444² = 19606853572258986272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3131042441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28649 + ... + 84159.

It is an arithmetic number, because the mean of its divisors is an integer number (233150400).

Almost surely, 2^3131042444 is an apocalyptic number.

It is an amenable number.

3131042444 is a deficient number, since it is larger than the sum of its proper divisors (2464567156).

3131042444 is a wasteful number, since it uses less digits than its factorization.

3131042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55813 (or 55811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 3131042444 is about 55955.7185996213. The cubic root of 3131042444 is about 1462.9505671335.

Adding to 3131042444 its reverse (4442401313), we get a palindrome (7573443757).

The spelling of 3131042444 in words is "three billion, one hundred thirty-one million, forty-two thousand, four hundred forty-four".