1310445115213 has 4 divisors (see below), whose sum is σ = 1411248585628. Its totient is φ = 1209641644800.

The previous prime is 1310445115193. The next prime is 1310445115219. The reversal of 1310445115213 is 3125115440131.

It is a happy number.

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 211097059209 + 1099348056004 = 459453^2 + 1048498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310445115213 - 2⁵ = 1310445115181 is a prime.

It is a super-2 number, since 2×1310445115213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310445115219) 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, 50401735188 + ... + 50401735213.

It is an arithmetic number, because the mean of its divisors is an integer number (352812146407).

Almost surely, 2^{1310445115213} is an apocalyptic number.

1310445115213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1310445115213 is a deficient number, since it is larger than the sum of its proper divisors (100803470415).

1310445115213 is a wasteful number, since it uses less digits than its factorization.

1310445115213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100803470414.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 1310445115213 in words is "one trillion, three hundred ten billion, four hundred forty-five million, one hundred fifteen thousand, two hundred thirteen".