1310320021213 has 8 divisors (see below), whose sum is σ = 1497640243328. Its totient is φ = 1123032711024.

The previous prime is 1310320021201. The next prime is 1310320021267. The reversal of 1310320021213 is 3121200230131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1310320021213 - 2²⁵ = 1310286466781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310320021613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8142606 + ... + 8301967.

It is an arithmetic number, because the mean of its divisors is an integer number (187205030416).

Almost surely, 2^{1310320021213} is an apocalyptic number.

It is an amenable number.

1310320021213 is a deficient number, since it is larger than the sum of its proper divisors (187320222115).

1310320021213 is a wasteful number, since it uses less digits than its factorization.

1310320021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455963.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1310320021213 its reverse (3121200230131), we get a palindrome (4431520251344).

The spelling of 1310320021213 in words is "one trillion, three hundred ten billion, three hundred twenty million, twenty-one thousand, two hundred thirteen".