213100031033 has 8 divisors (see below), whose sum is σ = 225037101120. Its totient is φ = 201235088880.

The previous prime is 213100030967. The next prime is 213100031107. The reversal of 213100031033 is 330130001312.

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 213100031033 - 2⁸ = 213100030777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213100031533) 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, 18025910 + ... + 18037727.

It is an arithmetic number, because the mean of its divisors is an integer number (28129637640).

Almost surely, 2^213100031033 is an apocalyptic number.

It is an amenable number.

213100031033 is a deficient number, since it is larger than the sum of its proper divisors (11937070087).

213100031033 is a wasteful number, since it uses less digits than its factorization.

213100031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36063967.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 213100031033 its reverse (330130001312), we get a palindrome (543230032345).

The spelling of 213100031033 in words is "two hundred thirteen billion, one hundred million, thirty-one thousand, thirty-three".