1323010013 has 4 divisors (see below), whose sum is σ = 1424780028. Its totient is φ = 1221240000.

The previous prime is 1323009983. The next prime is 1323010037. The reversal of 1323010013 is 3100103231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 192571129 + 1130438884 = 13877^2 + 33622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323010013 - 2²² = 1318815709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323010093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50884988 + ... + 50885013.

It is an arithmetic number, because the mean of its divisors is an integer number (356195007).

Almost surely, 2^1323010013 is an apocalyptic number.

1323010013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323010013 is a deficient number, since it is larger than the sum of its proper divisors (101770015).

1323010013 is a wasteful number, since it uses less digits than its factorization.

1323010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101770014.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1323010013 is about 36373.2046017395. The cubic root of 1323010013 is about 1097.7944825107.

Adding to 1323010013 its reverse (3100103231), we get a palindrome (4423113244).

The spelling of 1323010013 in words is "one billion, three hundred twenty-three million, ten thousand, thirteen".