5131018162 has 4 divisors (see below), whose sum is σ = 7696527246. Its totient is φ = 2565509080.

The previous prime is 5131018159. The next prime is 5131018171. The reversal of 5131018162 is 2618101315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3328251481 + 1802766681 = 57691^2 + 42459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5131018162.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282754539 + ... + 1282754542.

Almost surely, 2^5131018162 is an apocalyptic number.

5131018162 is a deficient number, since it is larger than the sum of its proper divisors (2565509084).

5131018162 is a wasteful number, since it uses less digits than its factorization.

5131018162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565509083.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 5131018162 is about 71631.1256507951. The cubic root of 5131018162 is about 1724.7832157176.

Adding to 5131018162 its reverse (2618101315), we get a palindrome (7749119477).

The spelling of 5131018162 in words is "five billion, one hundred thirty-one million, eighteen thousand, one hundred sixty-two".