1340310211 has 4 divisors (see below), whose sum is σ = 1398584592. Its totient is φ = 1282035832.

The previous prime is 1340310193. The next prime is 1340310227. The reversal of 1340310211 is 1120130431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120130431 = 7 ⋅160018633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340310211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340310241) 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, 29137156 + ... + 29137201.

It is an arithmetic number, because the mean of its divisors is an integer number (349646148).

Almost surely, 2^1340310211 is an apocalyptic number.

1340310211 is a deficient number, since it is larger than the sum of its proper divisors (58274381).

1340310211 is an equidigital number, since it uses as much as digits as its factorization.

1340310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58274380.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1340310211 is about 36610.2473496151. The cubic root of 1340310211 is about 1102.5588393859.

Adding to 1340310211 its reverse (1120130431), we get a palindrome (2460440642).

The spelling of 1340310211 in words is "one billion, three hundred forty million, three hundred ten thousand, two hundred eleven".