213100331133 has 16 divisors (see below), whose sum is σ = 292080215936. Its totient is φ = 138100697280.

The previous prime is 213100331123. The next prime is 213100331141. The reversal of 213100331133 is 331133001312.

It is not a de Polignac number, because 213100331133 - 2⁶ = 213100331069 is a prime.

It is a super-2 number, since 2×213100331133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213100331123) 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, 756913 + ... + 999558.

It is an arithmetic number, because the mean of its divisors is an integer number (18255013496).

Almost surely, 2^213100331133 is an apocalyptic number.

It is an amenable number.

213100331133 is a deficient number, since it is larger than the sum of its proper divisors (78979884803).

213100331133 is a wasteful number, since it uses less digits than its factorization.

213100331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757604.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 213100331133 its reverse (331133001312), we get a palindrome (544233332445).

The spelling of 213100331133 in words is "two hundred thirteen billion, one hundred million, three hundred thirty-one thousand, one hundred thirty-three".