213011233001331 has 16 divisors (see below), whose sum is σ = 285462923632128. Its totient is φ = 141283547064800.

The previous prime is 213011233001321. The next prime is 213011233001339. The reversal of 213011233001331 is 133100332110312.

It is a cyclic number.

It is not a de Polignac number, because 213011233001331 - 2⁵ = 213011233001299 is a prime.

It is a super-2 number, since 2×213011233001331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213011233001339) 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, 23248726 + ... + 31088996.

It is an arithmetic number, because the mean of its divisors is an integer number (17841432727008).

Almost surely, 2^{213011233001331} is an apocalyptic number.

213011233001331 is a deficient number, since it is larger than the sum of its proper divisors (72451690630797).

213011233001331 is a wasteful number, since it uses less digits than its factorization.

213011233001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886442.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 213011233001331 its reverse (133100332110312), we get a palindrome (346111565111643).

The spelling of 213011233001331 in words is "two hundred thirteen trillion, eleven billion, two hundred thirty-three million, one thousand, three hundred thirty-one".