5131522042 has 16 divisors (see below), whose sum is σ = 8033500800. Its totient is φ = 2453731632.

The previous prime is 5131522037. The next prime is 5131522051. The reversal of 5131522042 is 2402251315.

It is a junction number, because it is equal to n+sod(n) for n = 5131521998 and 5131522016.

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, 389068 + ... + 402040.

It is an arithmetic number, because the mean of its divisors is an integer number (502093800).

Almost surely, 2^5131522042 is an apocalyptic number.

5131522042 is a deficient number, since it is larger than the sum of its proper divisors (2901978758).

5131522042 is a wasteful number, since it uses less digits than its factorization.

5131522042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21597.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5131522042 is about 71634.6427505575. The cubic root of 5131522042 is about 1724.8396733440.

Adding to 5131522042 its reverse (2402251315), we get a palindrome (7533773357).

The spelling of 5131522042 in words is "five billion, one hundred thirty-one million, five hundred twenty-two thousand, forty-two".