213000123131 has 8 divisors (see below), whose sum is σ = 213458536800. Its totient is φ = 212541900480.

The previous prime is 213000123121. The next prime is 213000123139. The reversal of 213000123131 is 131321000312.

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 213000123131 - 2³⁰ = 211926381307 is a prime.

It is a super-2 number, since 2×213000123131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213000123139) 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, 2309165 + ... + 2399633.

It is an arithmetic number, because the mean of its divisors is an integer number (26682317100).

Almost surely, 2^213000123131 is an apocalyptic number.

213000123131 is a deficient number, since it is larger than the sum of its proper divisors (458413669).

213000123131 is an equidigital number, since it uses as much as digits as its factorization.

213000123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95509.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 213000123131 its reverse (131321000312), we get a palindrome (344321123443).

The spelling of 213000123131 in words is "two hundred thirteen billion, one hundred twenty-three thousand, one hundred thirty-one".