1323100202013 has 12 divisors (see below), whose sum is σ = 1977046279260. Its totient is φ = 851650704576.

The previous prime is 1323100201993. The next prime is 1323100202057. The reversal of 1323100202013 is 3102020013231.

1323100202013 is a `hidden beast` number, since 132 + 310 + 0 + 20 + 201 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 673249788324 + 649850413689 = 820518^2 + 806133^2 .

It is not a de Polignac number, because 1323100202013 - 2⁶ = 1323100201949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323100202113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2534674456 + ... + 2534674977.

It is an arithmetic number, because the mean of its divisors is an integer number (164753856605).

Almost surely, 2^{1323100202013} is an apocalyptic number.

It is an amenable number.

1323100202013 is a deficient number, since it is larger than the sum of its proper divisors (653946077247).

1323100202013 is a wasteful number, since it uses less digits than its factorization.

1323100202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069349468 (or 5069349465 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1323100202013 its reverse (3102020013231), we get a palindrome (4425120215244).

The spelling of 1323100202013 in words is "one trillion, three hundred twenty-three billion, one hundred million, two hundred two thousand, thirteen".