1323013101 has 4 divisors (see below), whose sum is σ = 1764017472. Its totient is φ = 882008732.

The previous prime is 1323013099. The next prime is 1323013141. The reversal of 1323013101 is 1013103231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323013101 - 2¹ = 1323013099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323013141) 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, 220502181 + ... + 220502186.

It is an arithmetic number, because the mean of its divisors is an integer number (441004368).

Almost surely, 2^1323013101 is an apocalyptic number.

It is an amenable number.

1323013101 is a deficient number, since it is larger than the sum of its proper divisors (441004371).

1323013101 is an equidigital number, since it uses as much as digits as its factorization.

1323013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441004370.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1323013101 is about 36373.2470505453. The cubic root of 1323013101 is about 1097.7953366203.

Adding to 1323013101 its reverse (1013103231), we get a palindrome (2336116332).

The spelling of 1323013101 in words is "one billion, three hundred twenty-three million, thirteen thousand, one hundred one".