1311444230 has 16 divisors (see below), whose sum is σ = 2361131424. Its totient is φ = 524459520.

The previous prime is 1311444227. The next prime is 1311444241. The reversal of 1311444230 is 324441131.

It is a junction number, because it is equal to n+sod(n) for n = 1311444196 and 1311444205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42359 + ... + 66461.

It is an arithmetic number, because the mean of its divisors is an integer number (147570714).

Almost surely, 2^1311444230 is an apocalyptic number.

1311444230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311444230 is a deficient number, since it is larger than the sum of its proper divisors (1049687194).

1311444230 is a wasteful number, since it uses less digits than its factorization.

1311444230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29551.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1311444230 is about 36213.8679237664. The cubic root of 1311444230 is about 1094.5861338446.

Adding to 1311444230 its reverse (324441131), we get a palindrome (1635885361).

The spelling of 1311444230 in words is "one billion, three hundred eleven million, four hundred forty-four thousand, two hundred thirty".