5318739131 has 4 divisors (see below), whose sum is σ = 5339434872. Its totient is φ = 5298043392.

The previous prime is 5318739109. The next prime is 5318739133. The reversal of 5318739131 is 1319378135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5318739131 is a prime.

It is a super-2 number, since 2×5318739131² = 56577971887261270322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5318739133) 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, 10347485 + ... + 10347998.

It is an arithmetic number, because the mean of its divisors is an integer number (1334858718).

Almost surely, 2^5318739131 is an apocalyptic number.

5318739131 is a deficient number, since it is larger than the sum of its proper divisors (20695741).

5318739131 is a wasteful number, since it uses less digits than its factorization.

5318739131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20695740.

The product of its digits is 68040, while the sum is 41.

The square root of 5318739131 is about 72929.6862121318. The cubic root of 5318739131 is about 1745.5658223723.

The spelling of 5318739131 in words is "five billion, three hundred eighteen million, seven hundred thirty-nine thousand, one hundred thirty-one".