3131324042 has 16 divisors (see below), whose sum is σ = 5855982912. Its totient is φ = 1219996320.

The previous prime is 3131324017. The next prime is 3131324081. The reversal of 3131324042 is 2404231313.

It is a junction number, because it is equal to n+sod(n) for n = 3131323999 and 3131324017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10166483 + ... + 10166790.

It is an arithmetic number, because the mean of its divisors is an integer number (365998932).

Almost surely, 2^3131324042 is an apocalyptic number.

3131324042 is a deficient number, since it is larger than the sum of its proper divisors (2724658870).

3131324042 is a wasteful number, since it uses less digits than its factorization.

3131324042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20333293.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3131324042 is about 55958.2348006082. The cubic root of 3131324042 is about 1462.9944238374.

Adding to 3131324042 its reverse (2404231313), we get a palindrome (5535555355).

It can be divided in two parts, 31313 and 24042, that added together give a palindrome (55355).

The spelling of 3131324042 in words is "three billion, one hundred thirty-one million, three hundred twenty-four thousand, forty-two".