1300211231311 has 4 divisors (see below), whose sum is σ = 1368643401400. Its totient is φ = 1231779061224.

The previous prime is 1300211231281. The next prime is 1300211231321. The reversal of 1300211231311 is 1131321120031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1300211231311 - 2²⁹ = 1299674360399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 68432170069 = 1300211231311 / (1 + 3 + 0 + 0 + 2 + 1 + 1 + 2 + 3 + 1 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300211231321) 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, 34216085016 + ... + 34216085053.

It is an arithmetic number, because the mean of its divisors is an integer number (342160850350).

Almost surely, 2^{1300211231311} is an apocalyptic number.

1300211231311 is a deficient number, since it is larger than the sum of its proper divisors (68432170089).

1300211231311 is an equidigital number, since it uses as much as digits as its factorization.

1300211231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68432170088.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1300211231311 its reverse (1131321120031), we get a palindrome (2431532351342).

The spelling of 1300211231311 in words is "one trillion, three hundred billion, two hundred eleven million, two hundred thirty-one thousand, three hundred eleven".