213130123033 has 4 divisors (see below), whose sum is σ = 213212383488. Its totient is φ = 213047862580.

The previous prime is 213130122973. The next prime is 213130123039. The reversal of 213130123033 is 330321031312.

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 213130123033 - 2⁹ = 213130122521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213130122995 and 213130123013.

It is not an unprimeable number, because it can be changed into a prime (213130123039) 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, 41126341 + ... + 41131522.

It is an arithmetic number, because the mean of its divisors is an integer number (53303095872).

Almost surely, 2^213130123033 is an apocalyptic number.

It is an amenable number.

213130123033 is a deficient number, since it is larger than the sum of its proper divisors (82260455).

213130123033 is an equidigital number, since it uses as much as digits as its factorization.

213130123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82260454.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213130123033 its reverse (330321031312), we get a palindrome (543451154345).

The spelling of 213130123033 in words is "two hundred thirteen billion, one hundred thirty million, one hundred twenty-three thousand, thirty-three".