501130131 has 16 divisors (see below), whose sum is σ = 708074784. Its totient is φ = 314169344.

The previous prime is 501130103. The next prime is 501130139. The reversal of 501130131 is 131031105.

It is a cyclic number.

It is not a de Polignac number, because 501130131 - 2¹⁰ = 501129107 is a prime.

It is a super-2 number, since 2×501130131² = 502262816392154322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501130131.

It is not an unprimeable number, because it can be changed into a prime (501130139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69655 + ... + 76511.

It is an arithmetic number, because the mean of its divisors is an integer number (44254674).

Almost surely, 2^501130131 is an apocalyptic number.

501130131 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

501130131 is a deficient number, since it is larger than the sum of its proper divisors (206944653).

501130131 is a wasteful number, since it uses less digits than its factorization.

501130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 501130131 is about 22385.9360090214. The cubic root of 501130131 is about 794.2980663901.

Adding to 501130131 its reverse (131031105), we get a palindrome (632161236).

The spelling of 501130131 in words is "five hundred one million, one hundred thirty thousand, one hundred thirty-one".