531321304334 has 32 divisors (see below), whose sum is σ = 832843275264. Its totient is φ = 253920176640.

The previous prime is 531321304313. The next prime is 531321304343. The reversal of 531321304334 is 433403123135.

It is a self number, because there is not a number n which added to its sum of digits gives 531321304334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20586542 + ... + 20612334.

It is an arithmetic number, because the mean of its divisors is an integer number (26026352352).

Almost surely, 2^531321304334 is an apocalyptic number.

531321304334 is a deficient number, since it is larger than the sum of its proper divisors (301521970930).

531321304334 is a wasteful number, since it uses less digits than its factorization.

531321304334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29912.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 531321304334 its reverse (433403123135), we get a palindrome (964724427469).

The spelling of 531321304334 in words is "five hundred thirty-one billion, three hundred twenty-one million, three hundred four thousand, three hundred thirty-four".