531245321330 has 32 divisors (see below), whose sum is σ = 1016947128960. Its totient is φ = 199238607360.

The previous prime is 531245321323. The next prime is 531245321339. The reversal of 531245321330 is 33123542135.

It is not an unprimeable number, because it can be changed into a prime (531245321339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14394086 + ... + 14430945.

It is an arithmetic number, because the mean of its divisors is an integer number (31779597780).

Almost surely, 2^531245321330 is an apocalyptic number.

531245321330 is a deficient number, since it is larger than the sum of its proper divisors (485701807630).

531245321330 is a wasteful number, since it uses less digits than its factorization.

531245321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28825154.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 531245321330 its reverse (33123542135), we get a palindrome (564368863465).

The spelling of 531245321330 in words is "five hundred thirty-one billion, two hundred forty-five million, three hundred twenty-one thousand, three hundred thirty".