1311101243230 has 16 divisors (see below), whose sum is σ = 2399981937840. Its totient is φ = 515551675072.

The previous prime is 1311101243201. The next prime is 1311101243233. The reversal of 1311101243230 is 323421011131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311101243233) 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, 1111102159 + ... + 1111103338.

It is an arithmetic number, because the mean of its divisors is an integer number (149998871115).

Almost surely, 2^{1311101243230} is an apocalyptic number.

1311101243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311101243230 is a deficient number, since it is larger than the sum of its proper divisors (1088880694610).

1311101243230 is a wasteful number, since it uses less digits than its factorization.

1311101243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222205563.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1311101243230 its reverse (323421011131), we get a palindrome (1634522254361).

The spelling of 1311101243230 in words is "one trillion, three hundred eleven billion, one hundred one million, two hundred forty-three thousand, two hundred thirty".