323311322145 has 32 divisors (see below), whose sum is σ = 592236967680. Its totient is φ = 147539681280.

The previous prime is 323311322141. The next prime is 323311322183. The reversal of 323311322145 is 541223113323.

It is not a de Polignac number, because 323311322145 - 2² = 323311322141 is a prime.

It is a super-2 number, since 2×323311322145² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323311322141) 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 31 ways as a sum of consecutive naturals, for example, 2646016 + ... + 2765505.

It is an arithmetic number, because the mean of its divisors is an integer number (18507405240).

Almost surely, 2^323311322145 is an apocalyptic number.

323311322145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

323311322145 is a deficient number, since it is larger than the sum of its proper divisors (268925645535).

323311322145 is a wasteful number, since it uses less digits than its factorization.

323311322145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412105.

The product of its digits is 12960, while the sum is 30.

Adding to 323311322145 its reverse (541223113323), we get a palindrome (864534435468).

The spelling of 323311322145 in words is "three hundred twenty-three billion, three hundred eleven million, three hundred twenty-two thousand, one hundred forty-five".