5131000019 has 2 divisors, whose sum is σ = 5131000020. Its totient is φ = 5131000018.

The previous prime is 5131000003. The next prime is 5131000037. The reversal of 5131000019 is 9100001315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5131000019 - 2⁴ = 5131000003 is a prime.

It is a super-2 number, since 2×5131000019² = 52654322389956000722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5131000079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565500009 + 2565500010.

It is an arithmetic number, because the mean of its divisors is an integer number (2565500010).

Almost surely, 2^5131000019 is an apocalyptic number.

5131000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131000019 is an equidigital number, since it uses as much as digits as its factorization.

5131000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 5131000019 is about 71630.9990088090. Note that the first 3 decimals coincide. The cubic root of 5131000019 is about 1724.7811828021.

The spelling of 5131000019 in words is "five billion, one hundred thirty-one million, nineteen", and thus it is an aban number.