1310213013 has 4 divisors (see below), whose sum is σ = 1746950688. Its totient is φ = 873475340.

The previous prime is 1310212999. The next prime is 1310213087. The reversal of 1310213013 is 3103120131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3103120131 = 3 ⋅1034373377.

It is a cyclic number.

It is not a de Polignac number, because 1310213013 - 2¹⁸ = 1309950869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1310212983 and 1310213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310213813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218368833 + ... + 218368838.

It is an arithmetic number, because the mean of its divisors is an integer number (436737672).

Almost surely, 2^1310213013 is an apocalyptic number.

It is an amenable number.

1310213013 is a deficient number, since it is larger than the sum of its proper divisors (436737675).

1310213013 is an equidigital number, since it uses as much as digits as its factorization.

1310213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436737674.

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

The square root of 1310213013 is about 36196.8646846657. The cubic root of 1310213013 is about 1094.2434848808.

Adding to 1310213013 its reverse (3103120131), we get a palindrome (4413333144).

The spelling of 1310213013 in words is "one billion, three hundred ten million, two hundred thirteen thousand, thirteen".