1341011243 has 16 divisors (see below), whose sum is σ = 1629784800. Its totient is φ = 1086516480.

The previous prime is 1341011209. The next prime is 1341011249. The reversal of 1341011243 is 3421101431.

It is a cyclic number.

It is not a de Polignac number, because 1341011243 - 2²⁰ = 1339962667 is a prime.

It is a super-2 number, since 2×1341011243² = 3596622307704810098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341011249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157538 + ... + 165831.

It is an arithmetic number, because the mean of its divisors is an integer number (101861550).

Almost surely, 2^1341011243 is an apocalyptic number.

1341011243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1341011243 is a deficient number, since it is larger than the sum of its proper divisors (288773557).

1341011243 is a wasteful number, since it uses less digits than its factorization.

1341011243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323422.

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

The square root of 1341011243 is about 36619.8203572874. The cubic root of 1341011243 is about 1102.7510322838.

Adding to 1341011243 its reverse (3421101431), we get a palindrome (4762112674).

The spelling of 1341011243 in words is "one billion, three hundred forty-one million, eleven thousand, two hundred forty-three".