5131000162 has 4 divisors (see below), whose sum is σ = 7696500246. Its totient is φ = 2565500080.

The previous prime is 5131000159. The next prime is 5131000183. The reversal of 5131000162 is 2610001315.

It is a Cunningham number, because it is equal to 71631²+1.

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., 5131000161 + 1 = 71631^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282750039 + ... + 1282750042.

Almost surely, 2^5131000162 is an apocalyptic number.

5131000162 is a deficient number, since it is larger than the sum of its proper divisors (2565500084).

5131000162 is a wasteful number, since it uses less digits than its factorization.

5131000162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565500083.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5131000162 is about 71631.0000069802. Note that the first 5 decimals coincide. The cubic root of 5131000162 is about 1724.7811988252.

Adding to 5131000162 its reverse (2610001315), we get a palindrome (7741001477).

The spelling of 5131000162 in words is "five billion, one hundred thirty-one million, one hundred sixty-two", and thus it is an aban number.