1310112321213 has 32 divisors (see below), whose sum is σ = 1764402393600. Its totient is φ = 864664197696.

The previous prime is 1310112321209. The next prime is 1310112321227. The reversal of 1310112321213 is 3121232110131.

It is not a de Polignac number, because 1310112321213 - 2² = 1310112321209 is a prime.

It is a super-2 number, since 2×1310112321213² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310112321213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310112321113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220591798 + ... + 220597736.

It is an arithmetic number, because the mean of its divisors is an integer number (55137574800).

Almost surely, 2^{1310112321213} is an apocalyptic number.

It is an amenable number.

1310112321213 is a deficient number, since it is larger than the sum of its proper divisors (454290072387).

1310112321213 is a wasteful number, since it uses less digits than its factorization.

1310112321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1310112321213 its reverse (3121232110131), we get a palindrome (4431344431344).

The spelling of 1310112321213 in words is "one trillion, three hundred ten billion, one hundred twelve million, three hundred twenty-one thousand, two hundred thirteen".