321140244055 has 8 divisors (see below), whose sum is σ = 385429143312. Its totient is φ = 256871628288.

The previous prime is 321140244049. The next prime is 321140244083. The reversal of 321140244055 is 550442041123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321140244055 - 2¹⁷ = 321140112983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5036017 + ... + 5099386.

It is an arithmetic number, because the mean of its divisors is an integer number (48178642914).

Almost surely, 2^321140244055 is an apocalyptic number.

321140244055 is a deficient number, since it is larger than the sum of its proper divisors (64288899257).

321140244055 is a wasteful number, since it uses less digits than its factorization.

321140244055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141745.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 321140244055 its reverse (550442041123), we get a palindrome (871582285178).

The spelling of 321140244055 in words is "three hundred twenty-one billion, one hundred forty million, two hundred forty-four thousand, fifty-five".