1323120102231 has 32 divisors (see below), whose sum is σ = 1822022532288. Its totient is φ = 853429754880.

The previous prime is 1323120102229. The next prime is 1323120102253. The reversal of 1323120102231 is 1322010213231.

It is not a de Polignac number, because 1323120102231 - 2¹ = 1323120102229 is a prime.

It is a super-2 number, since 2×1323120102231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323120102198 and 1323120102207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323120102221) 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, 14818501 + ... + 14907521.

It is an arithmetic number, because the mean of its divisors is an integer number (56938204134).

Almost surely, 2^{1323120102231} is an apocalyptic number.

1323120102231 is a deficient number, since it is larger than the sum of its proper divisors (498902430057).

1323120102231 is a wasteful number, since it uses less digits than its factorization.

1323120102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89811.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1323120102231 its reverse (1322010213231), we get a palindrome (2645130315462).

The spelling of 1323120102231 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, one hundred two thousand, two hundred thirty-one".