1314181243 has 8 divisors (see below), whose sum is σ = 1394593200. Its totient is φ = 1234114560.

The previous prime is 1314181201. The next prime is 1314181273. The reversal of 1314181243 is 3421814131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1314181243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314181273) 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, 78453 + ... + 93718.

It is an arithmetic number, because the mean of its divisors is an integer number (174324150).

Almost surely, 2^1314181243 is an apocalyptic number.

1314181243 is a deficient number, since it is larger than the sum of its proper divisors (80411957).

1314181243 is a wasteful number, since it uses less digits than its factorization.

1314181243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172637.

The product of its digits is 2304, while the sum is 28.

The square root of 1314181243 is about 36251.6377974844. The cubic root of 1314181243 is about 1095.3470798448.

Adding to 1314181243 its reverse (3421814131), we get a palindrome (4735995374).

The spelling of 1314181243 in words is "one billion, three hundred fourteen million, one hundred eighty-one thousand, two hundred forty-three".