213010313233 has 4 divisors (see below), whose sum is σ = 213013213668. Its totient is φ = 213007412800.

The previous prime is 213010313231. The next prime is 213010313239. The reversal of 213010313233 is 332313010312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72930783249 + 140079529984 = 270057^2 + 374272^2 .

It is a cyclic number.

It is not a de Polignac number, because 213010313233 - 2¹ = 213010313231 is a prime.

It is a super-3 number, since 3×213010313233³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213010313231) 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, 1337116 + ... + 1487917.

It is an arithmetic number, because the mean of its divisors is an integer number (53253303417).

Almost surely, 2^213010313233 is an apocalyptic number.

It is an amenable number.

213010313233 is a deficient number, since it is larger than the sum of its proper divisors (2900435).

213010313233 is an equidigital number, since it uses as much as digits as its factorization.

213010313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900434.

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

Adding to 213010313233 its reverse (332313010312), we get a palindrome (545323323545).

The spelling of 213010313233 in words is "two hundred thirteen billion, ten million, three hundred thirteen thousand, two hundred thirty-three".