531434425331 has 4 divisors (see below), whose sum is σ = 531509187600. Its totient is φ = 531359663064.

The previous prime is 531434425267. The next prime is 531434425381. The reversal of 531434425331 is 133524434135.

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

It is a cyclic number.

It is not a de Polignac number, because 531434425331 - 2⁶ = 531434425267 is a prime.

It is a super-2 number, since 2×531434425331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531434425381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37370471 + ... + 37384688.

It is an arithmetic number, because the mean of its divisors is an integer number (132877296900).

Almost surely, 2^531434425331 is an apocalyptic number.

531434425331 is a deficient number, since it is larger than the sum of its proper divisors (74762269).

531434425331 is an equidigital number, since it uses as much as digits as its factorization.

531434425331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74762268.

The product of its digits is 259200, while the sum is 38.

Adding to 531434425331 its reverse (133524434135), we get a palindrome (664958859466).

The spelling of 531434425331 in words is "five hundred thirty-one billion, four hundred thirty-four million, four hundred twenty-five thousand, three hundred thirty-one".