1323220330131 has 32 divisors (see below), whose sum is σ = 2068531745280. Its totient is φ = 736642819584.

The previous prime is 1323220330129. The next prime is 1323220330147. The reversal of 1323220330131 is 1310330223231.

It is not a de Polignac number, because 1323220330131 - 2¹ = 1323220330129 is a prime.

It is a super-3 number, since 3×1323220330131³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1323220330121) 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 31 ways as a sum of consecutive naturals, for example, 1532230 + ... + 2234763.

It is an arithmetic number, because the mean of its divisors is an integer number (64641617040).

Almost surely, 2^{1323220330131} is an apocalyptic number.

1323220330131 is a deficient number, since it is larger than the sum of its proper divisors (745311415149).

1323220330131 is a wasteful number, since it uses less digits than its factorization.

1323220330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767435.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1323220330131 its reverse (1310330223231), we get a palindrome (2633550553362).

The spelling of 1323220330131 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, three hundred thirty thousand, one hundred thirty-one".