1230111344311 has 16 divisors (see below), whose sum is σ = 1240407756000. Its totient is φ = 1219865758848.

The previous prime is 1230111344303. The next prime is 1230111344333. The reversal of 1230111344311 is 1134431110321.

It is a cyclic number.

It is not a de Polignac number, because 1230111344311 - 2³ = 1230111344303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230111344611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75677061 + ... + 75693313.

It is an arithmetic number, because the mean of its divisors is an integer number (77525484750).

Almost surely, 2^{1230111344311} is an apocalyptic number.

1230111344311 is a deficient number, since it is larger than the sum of its proper divisors (10296411689).

1230111344311 is a wasteful number, since it uses less digits than its factorization.

1230111344311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1230111344311 its reverse (1134431110321), we get a palindrome (2364542454632).

The spelling of 1230111344311 in words is "one trillion, two hundred thirty billion, one hundred eleven million, three hundred forty-four thousand, three hundred eleven".