321134403430 has 16 divisors (see below), whose sum is σ = 578128078080. Its totient is φ = 128434616512.

The previous prime is 321134403427. The next prime is 321134403431. The reversal of 321134403430 is 34304431123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321134403431) 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 7 ways as a sum of consecutive naturals, for example, 2322559 + ... + 2456938.

It is an arithmetic number, because the mean of its divisors is an integer number (36133004880).

Almost surely, 2^321134403430 is an apocalyptic number.

321134403430 is a deficient number, since it is larger than the sum of its proper divisors (256993674650).

321134403430 is a wasteful number, since it uses less digits than its factorization.

321134403430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786223.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 321134403430 its reverse (34304431123), we get a palindrome (355438834553).

The spelling of 321134403430 in words is "three hundred twenty-one billion, one hundred thirty-four million, four hundred three thousand, four hundred thirty".