1002123013313 has 4 divisors (see below), whose sum is σ = 1003297835988. Its totient is φ = 1000948190640.

The previous prime is 1002123013289. The next prime is 1002123013349. The reversal of 1002123013313 is 3133103212001.

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 329668892224 + 672454121089 = 574168^2 + 820033^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002123013313 - 2⁶ = 1002123013249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002123073313) 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, 587410058 + ... + 587411763.

It is an arithmetic number, because the mean of its divisors is an integer number (250824458997).

Almost surely, 2^{1002123013313} is an apocalyptic number.

It is an amenable number.

1002123013313 is a deficient number, since it is larger than the sum of its proper divisors (1174822675).

1002123013313 is an equidigital number, since it uses as much as digits as its factorization.

1002123013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174822674.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1002123013313 its reverse (3133103212001), we get a palindrome (4135226225314).

The spelling of 1002123013313 in words is "one trillion, two billion, one hundred twenty-three million, thirteen thousand, three hundred thirteen".