500313131 has 4 divisors (see below), whose sum is σ = 500364600. Its totient is φ = 500261664.

The previous prime is 500313109. The next prime is 500313137. The reversal of 500313131 is 131313005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 500313131 - 2²² = 496118827 is a prime.

It is a super-2 number, since 2×500313131² = 500626458102046322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500313137) 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, 6221 + ... + 32238.

It is an arithmetic number, because the mean of its divisors is an integer number (125091150).

Almost surely, 2^500313131 is an apocalyptic number.

500313131 is a deficient number, since it is larger than the sum of its proper divisors (51469).

500313131 is a wasteful number, since it uses less digits than its factorization.

500313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51468.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 500313131 is about 22367.6805011159. The cubic root of 500313131 is about 793.8661795677.

Adding to 500313131 its reverse (131313005), we get a palindrome (631626136).

The spelling of 500313131 in words is "five hundred million, three hundred thirteen thousand, one hundred thirty-one".