1311214430 has 16 divisors (see below), whose sum is σ = 2360867904. Its totient is φ = 524334240.

The previous prime is 1311214417. The next prime is 1311214441. The reversal of 1311214430 is 344121131.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21515 + ... + 55545.

It is an arithmetic number, because the mean of its divisors is an integer number (147554244).

Almost surely, 2^1311214430 is an apocalyptic number.

1311214430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311214430 is a deficient number, since it is larger than the sum of its proper divisors (1049653474).

1311214430 is a wasteful number, since it uses less digits than its factorization.

1311214430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37891.

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

The square root of 1311214430 is about 36210.6949670950. The cubic root of 1311214430 is about 1094.5221965503.

Adding to 1311214430 its reverse (344121131), we get a palindrome (1655335561).

The spelling of 1311214430 in words is "one billion, three hundred eleven million, two hundred fourteen thousand, four hundred thirty".