1314531243 has 12 divisors (see below), whose sum is σ = 1903945888. Its totient is φ = 873964080.

The previous prime is 1314531233. The next prime is 1314531271. The reversal of 1314531243 is 3421354131.

It is a happy number.

It is not a de Polignac number, because 1314531243 - 2¹³ = 1314523051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314531233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195688 + ... + 202293.

Almost surely, 2^1314531243 is an apocalyptic number.

1314531243 is a deficient number, since it is larger than the sum of its proper divisors (589414645).

1314531243 is a wasteful number, since it uses less digits than its factorization.

1314531243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398354 (or 398351 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1314531243 is about 36256.4648442178. The cubic root of 1314531243 is about 1095.4443108396. Note that the first 3 decimals are identical.

Adding to 1314531243 its reverse (3421354131), we get a palindrome (4735885374).

The spelling of 1314531243 in words is "one billion, three hundred fourteen million, five hundred thirty-one thousand, two hundred forty-three".