1311444523230 has 32 divisors (see below), whose sum is σ = 3147501894048. Its totient is φ = 349714646400.

The previous prime is 1311444523229. The next prime is 1311444523241. The reversal of 1311444523230 is 323254441131.

It is a junction number, because it is equal to n+sod(n) for n = 1311444523191 and 1311444523200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3381940 + ... + 3749720.

It is an arithmetic number, because the mean of its divisors is an integer number (98359434189).

Almost surely, 2^{1311444523230} is an apocalyptic number.

1311444523230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311444523230 is an abundant number, since it is smaller than the sum of its proper divisors (1836057370818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311444523230 is a wasteful number, since it uses less digits than its factorization.

1311444523230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486652.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1311444523230 its reverse (323254441131), we get a palindrome (1634698964361).

The spelling of 1311444523230 in words is "one trillion, three hundred eleven billion, four hundred forty-four million, five hundred twenty-three thousand, two hundred thirty".