1233113220311 has 8 divisors (see below), whose sum is σ = 1492170619680. Its totient is φ = 994780412928.

The previous prime is 1233113220289. The next prime is 1233113220331. The reversal of 1233113220311 is 1130223113321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1233113220311 - 2¹⁸ = 1233112958167 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 (1233113220331) 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, 5181147866 + ... + 5181148103.

It is an arithmetic number, because the mean of its divisors is an integer number (186521327460).

Almost surely, 2^{1233113220311} is an apocalyptic number.

1233113220311 is a deficient number, since it is larger than the sum of its proper divisors (259057399369).

1233113220311 is a wasteful number, since it uses less digits than its factorization.

1233113220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362295993.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1233113220311 its reverse (1130223113321), we get a palindrome (2363336333632).

The spelling of 1233113220311 in words is "one trillion, two hundred thirty-three billion, one hundred thirteen million, two hundred twenty thousand, three hundred eleven".