233111011111133 has 16 divisors (see below), whose sum is σ = 245739766228992. Its totient is φ = 220821322800000.

The previous prime is 233111011111079. The next prime is 233111011111211. The reversal of 233111011111133 is 331111110111332.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233111011111133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233111011111099 and 233111011111108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233111011171133) 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, 163887368 + ... + 165303633.

It is an arithmetic number, because the mean of its divisors is an integer number (15358735389312).

Almost surely, 2^{233111011111133} is an apocalyptic number.

It is an amenable number.

233111011111133 is a deficient number, since it is larger than the sum of its proper divisors (12628755117859).

233111011111133 is a wasteful number, since it uses less digits than its factorization.

233111011111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329191516.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 233111011111133 its reverse (331111110111332), we get a palindrome (564222121222465).

The spelling of 233111011111133 in words is "two hundred thirty-three trillion, one hundred eleven billion, eleven million, one hundred eleven thousand, one hundred thirty-three".