1341187311 has 8 divisors (see below), whose sum is σ = 1789302960. Its totient is φ = 893598272.

The previous prime is 1341187303. The next prime is 1341187319. The reversal of 1341187311 is 1137811431.

It is an interprime number because it is at equal distance from previous prime (1341187303) and next prime (1341187319).

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

It is a cyclic number.

It is not a de Polignac number, because 1341187311 - 2³ = 1341187303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341187319) 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, 125670 + ... + 135923.

It is an arithmetic number, because the mean of its divisors is an integer number (223662870).

Almost surely, 2^1341187311 is an apocalyptic number.

1341187311 is a deficient number, since it is larger than the sum of its proper divisors (448115649).

1341187311 is a wasteful number, since it uses less digits than its factorization.

1341187311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263305.

The product of its digits is 2016, while the sum is 30.

The square root of 1341187311 is about 36622.2242770698. The cubic root of 1341187311 is about 1102.7992920512.

Adding to 1341187311 its reverse (1137811431), we get a palindrome (2478998742).

The spelling of 1341187311 in words is "one billion, three hundred forty-one million, one hundred eighty-seven thousand, three hundred eleven".