321134552115 has 64 divisors (see below), whose sum is σ = 567461486592. Its totient is φ = 154090137600.

The previous prime is 321134552077. The next prime is 321134552117. The reversal of 321134552115 is 511255431123.

It is not a de Polignac number, because 321134552115 - 2¹³ = 321134543923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321134552117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2136070 + ... + 2281460.

It is an arithmetic number, because the mean of its divisors is an integer number (8866585728).

Almost surely, 2^321134552115 is an apocalyptic number.

321134552115 is a deficient number, since it is larger than the sum of its proper divisors (246326934477).

321134552115 is a wasteful number, since it uses less digits than its factorization.

321134552115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145700.

The product of its digits is 18000, while the sum is 33.

Adding to 321134552115 its reverse (511255431123), we get a palindrome (832389983238).

The spelling of 321134552115 in words is "three hundred twenty-one billion, one hundred thirty-four million, five hundred fifty-two thousand, one hundred fifteen".