321030131055 has 32 divisors (see below), whose sum is σ = 542765352960. Its totient is φ = 161698817280.

The previous prime is 321030131029. The next prime is 321030131057. The reversal of 321030131055 is 550131030123.

It is not a de Polignac number, because 321030131055 - 2⁶ = 321030130991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321030131057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5862126 + ... + 5916635.

It is an arithmetic number, because the mean of its divisors is an integer number (16961417280).

Almost surely, 2^321030131055 is an apocalyptic number.

321030131055 is a deficient number, since it is larger than the sum of its proper divisors (221735221905).

321030131055 is a wasteful number, since it uses less digits than its factorization.

321030131055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778871.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 321030131055 its reverse (550131030123), we get a palindrome (871161161178).

The spelling of 321030131055 in words is "three hundred twenty-one billion, thirty million, one hundred thirty-one thousand, fifty-five".