1310223023213 has 4 divisors (see below), whose sum is σ = 1411009409628. Its totient is φ = 1209436636800.

The previous prime is 1310223023171. The next prime is 1310223023227. The reversal of 1310223023213 is 3123203220131.

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 285597254569 + 1024625768644 = 534413^2 + 1012238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310223023213 - 2⁶ = 1310223023149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310223023713) 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, 50393193188 + ... + 50393193213.

It is an arithmetic number, because the mean of its divisors is an integer number (352752352407).

Almost surely, 2^{1310223023213} is an apocalyptic number.

1310223023213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1310223023213 is a deficient number, since it is larger than the sum of its proper divisors (100786386415).

1310223023213 is a wasteful number, since it uses less digits than its factorization.

1310223023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100786386414.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1310223023213 its reverse (3123203220131), we get a palindrome (4433426243344).

The spelling of 1310223023213 in words is "one trillion, three hundred ten billion, two hundred twenty-three million, twenty-three thousand, two hundred thirteen".