213243120142033 has 4 divisors (see below), whose sum is σ = 213275047551040. Its totient is φ = 213211192733028.

The previous prime is 213243120141943. The next prime is 213243120142051. The reversal of 213243120142033 is 330241021342312.

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 a cyclic number.

It is not a de Polignac number, because 213243120142033 - 2³³ = 213234530207441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213243120141986 and 213243120142004.

It is not an unprimeable number, because it can be changed into a prime (213243120142933) 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, 15963694485 + ... + 15963707842.

It is an arithmetic number, because the mean of its divisors is an integer number (53318761887760).

Almost surely, 2^{213243120142033} is an apocalyptic number.

It is an amenable number.

213243120142033 is a deficient number, since it is larger than the sum of its proper divisors (31927409007).

213243120142033 is an equidigital number, since it uses as much as digits as its factorization.

213243120142033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31927409006.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 213243120142033 its reverse (330241021342312), we get a palindrome (543484141484345).

The spelling of 213243120142033 in words is "two hundred thirteen trillion, two hundred forty-three billion, one hundred twenty million, one hundred forty-two thousand, thirty-three".