1323203031213 has 32 divisors (see below), whose sum is σ = 2036689913856. Its totient is φ = 748479123648.

The previous prime is 1323203031209. The next prime is 1323203031223. The reversal of 1323203031213 is 3121303023231.

It is not a de Polignac number, because 1323203031213 - 2² = 1323203031209 is a prime.

It is a super-2 number, since 2×1323203031213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323203031223) 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, 5411170 + ... + 5650412.

It is an arithmetic number, because the mean of its divisors is an integer number (63646559808).

Almost surely, 2^{1323203031213} is an apocalyptic number.

It is an amenable number.

1323203031213 is a deficient number, since it is larger than the sum of its proper divisors (713486882643).

1323203031213 is a wasteful number, since it uses less digits than its factorization.

1323203031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241913.

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

Adding to 1323203031213 its reverse (3121303023231), we get a palindrome (4444506054444).

The spelling of 1323203031213 in words is "one trillion, three hundred twenty-three billion, two hundred three million, thirty-one thousand, two hundred thirteen".