530123131 has 4 divisors (see below), whose sum is σ = 530666712. Its totient is φ = 529579552.

The previous prime is 530123093. The next prime is 530123141. The reversal of 530123131 is 131321035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131321035 = 5 ⋅26264207.

It is a cyclic number.

It is not a de Polignac number, because 530123131 - 2⁷ = 530123003 is a prime.

It is a super-2 number, since 2×530123131² = 562061068042486322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530123099 and 530123108.

It is not an unprimeable number, because it can be changed into a prime (530123141) 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 in 3 ways as a sum of consecutive naturals, for example, 270325 + ... + 272278.

It is an arithmetic number, because the mean of its divisors is an integer number (132666678).

Almost surely, 2^530123131 is an apocalyptic number.

530123131 is a deficient number, since it is larger than the sum of its proper divisors (543581).

530123131 is an equidigital number, since it uses as much as digits as its factorization.

530123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543580.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 530123131 is about 23024.4029455706. The cubic root of 530123131 is about 809.3298989711.

Adding to 530123131 its reverse (131321035), we get a palindrome (661444166).

The spelling of 530123131 in words is "five hundred thirty million, one hundred twenty-three thousand, one hundred thirty-one".