1341240311 has 4 divisors (see below), whose sum is σ = 1342034232. Its totient is φ = 1340446392.

The previous prime is 1341240301. The next prime is 1341240319. The reversal of 1341240311 is 1130421431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1130421431 = 353 ⋅3202327.

It is a cyclic number.

It is not a de Polignac number, because 1341240311 - 2¹⁸ = 1340978167 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 (1341240319) 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, 394421 + ... + 397806.

It is an arithmetic number, because the mean of its divisors is an integer number (335508558).

Almost surely, 2^1341240311 is an apocalyptic number.

1341240311 is a deficient number, since it is larger than the sum of its proper divisors (793921).

1341240311 is an equidigital number, since it uses as much as digits as its factorization.

1341240311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793920.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1341240311 is about 36622.9478742496. The cubic root of 1341240311 is about 1102.8138183822.

Adding to 1341240311 its reverse (1130421431), we get a palindrome (2471661742).

The spelling of 1341240311 in words is "one billion, three hundred forty-one million, two hundred forty thousand, three hundred eleven".