1243313414 has 16 divisors (see below), whose sum is σ = 2132863488. Its totient is φ = 532481352.

The previous prime is 1243313389. The next prime is 1243313417. The reversal of 1243313414 is 4143133421.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243313417) 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, 9044 + ... + 50679.

It is an arithmetic number, because the mean of its divisors is an integer number (133303968).

Almost surely, 2^1243313414 is an apocalyptic number.

1243313414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1243313414 is a deficient number, since it is larger than the sum of its proper divisors (889550074).

1243313414 is a wasteful number, since it uses less digits than its factorization.

1243313414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61219.

The product of its digits is 3456, while the sum is 26.

The square root of 1243313414 is about 35260.6496536862. The cubic root of 1243313414 is about 1075.2931348424.

Adding to 1243313414 its reverse (4143133421), we get a palindrome (5386446835).

The spelling of 1243313414 in words is "one billion, two hundred forty-three million, three hundred thirteen thousand, four hundred fourteen".