1323100233131 has 4 divisors (see below), whose sum is σ = 1323121462872. Its totient is φ = 1323079003392.

The previous prime is 1323100233097. The next prime is 1323100233151. The reversal of 1323100233131 is 1313320013231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323100233131 - 2⁶ = 1323100233067 is a prime.

It is a super-2 number, since 2×1323100233131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323100233097 and 1323100233106.

It is not an unprimeable number, because it can be changed into a prime (1323100233151) 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 3 ways as a sum of consecutive naturals, for example, 10521110 + ... + 10646123.

It is an arithmetic number, because the mean of its divisors is an integer number (330780365718).

Almost surely, 2^{1323100233131} is an apocalyptic number.

1323100233131 is a deficient number, since it is larger than the sum of its proper divisors (21229741).

1323100233131 is an equidigital number, since it uses as much as digits as its factorization.

1323100233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21229740.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1323100233131 its reverse (1313320013231), we get a palindrome (2636420246362).

The spelling of 1323100233131 in words is "one trillion, three hundred twenty-three billion, one hundred million, two hundred thirty-three thousand, one hundred thirty-one".