5137112731 has 4 divisors (see below), whose sum is σ = 5176327464. Its totient is φ = 5097898000.

The previous prime is 5137112699. The next prime is 5137112749. The reversal of 5137112731 is 1372117315.

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

It is a cyclic number.

It is not a de Polignac number, because 5137112731 - 2⁵ = 5137112699 is a prime.

It is a super-2 number, since 2×5137112731² = 52779854422004556722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5137112693 and 5137112702.

It is not an unprimeable number, because it can be changed into a prime (5137112231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19607170 + ... + 19607431.

It is an arithmetic number, because the mean of its divisors is an integer number (1294081866).

Almost surely, 2^5137112731 is an apocalyptic number.

5137112731 is a deficient number, since it is larger than the sum of its proper divisors (39214733).

5137112731 is a wasteful number, since it uses less digits than its factorization.

5137112731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39214732.

The product of its digits is 4410, while the sum is 31.

The square root of 5137112731 is about 71673.6543717425. The cubic root of 5137112731 is about 1725.4658385936.

The spelling of 5137112731 in words is "five billion, one hundred thirty-seven million, one hundred twelve thousand, seven hundred thirty-one".