213331112233 has 4 divisors (see below), whose sum is σ = 213492850560. Its totient is φ = 213169373908.

The previous prime is 213331112179. The next prime is 213331112287. The reversal of 213331112233 is 332211133312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (213331112179) and next prime (213331112287).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213331112233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213331112198 and 213331112207.

It is not an unprimeable number, because it can be changed into a prime (213331152233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80867185 + ... + 80869822.

It is an arithmetic number, because the mean of its divisors is an integer number (53373212640).

Almost surely, 2^213331112233 is an apocalyptic number.

It is an amenable number.

213331112233 is a deficient number, since it is larger than the sum of its proper divisors (161738327).

213331112233 is a wasteful number, since it uses less digits than its factorization.

213331112233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161738326.

The product of its digits is 1944, while the sum is 25.

Adding to 213331112233 its reverse (332211133312), we get a palindrome (545542245545).

The spelling of 213331112233 in words is "two hundred thirteen billion, three hundred thirty-one million, one hundred twelve thousand, two hundred thirty-three".