531341423131 has 4 divisors (see below), whose sum is σ = 549663541200. Its totient is φ = 513019305064.

The previous prime is 531341423087. The next prime is 531341423183. The reversal of 531341423131 is 131324143135.

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-531341423131 is a prime.

It is a super-2 number, since 2×531341423131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531341423093 and 531341423102.

It is not an unprimeable number, because it can be changed into a prime (531341423231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9161058991 + ... + 9161059048.

It is an arithmetic number, because the mean of its divisors is an integer number (137415885300).

Almost surely, 2^531341423131 is an apocalyptic number.

531341423131 is a deficient number, since it is larger than the sum of its proper divisors (18322118069).

531341423131 is a wasteful number, since it uses less digits than its factorization.

531341423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18322118068.

The product of its digits is 12960, while the sum is 31.

Adding to 531341423131 its reverse (131324143135), we get a palindrome (662665566266).

The spelling of 531341423131 in words is "five hundred thirty-one billion, three hundred forty-one million, four hundred twenty-three thousand, one hundred thirty-one".