1302313312211 has 4 divisors (see below), whose sum is σ = 1326885261552. Its totient is φ = 1277741362872.

The previous prime is 1302313312159. The next prime is 1302313312369. The reversal of 1302313312211 is 1122133132031.

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 1302313312211 - 2¹⁸ = 1302313050067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302313312411) 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, 12285974591 + ... + 12285974696.

It is an arithmetic number, because the mean of its divisors is an integer number (331721315388).

Almost surely, 2^{1302313312211} is an apocalyptic number.

1302313312211 is a deficient number, since it is larger than the sum of its proper divisors (24571949341).

1302313312211 is an equidigital number, since it uses as much as digits as its factorization.

1302313312211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24571949340.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1302313312211 its reverse (1122133132031), we get a palindrome (2424446444242).

The spelling of 1302313312211 in words is "one trillion, three hundred two billion, three hundred thirteen million, three hundred twelve thousand, two hundred eleven".