213111141032131 has 4 divisors (see below), whose sum is σ = 213111175951872. Its totient is φ = 213111106112392.

The previous prime is 213111141032117. The next prime is 213111141032189. The reversal of 213111141032131 is 131230141111312.

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

It is a cyclic number.

It is not a de Polignac number, because 213111141032131 - 2⁹ = 213111141031619 is a prime.

It is a super-2 number, since 2×213111141032131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213111141032096 and 213111141032105.

It is not an unprimeable number, because it can be changed into a prime (213111141012131) 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, 5636896 + ... + 21400861.

It is an arithmetic number, because the mean of its divisors is an integer number (53277793987968).

Almost surely, 2^{213111141032131} is an apocalyptic number.

213111141032131 is a deficient number, since it is larger than the sum of its proper divisors (34919741).

213111141032131 is an equidigital number, since it uses as much as digits as its factorization.

213111141032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34919740.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 213111141032131 its reverse (131230141111312), we get a palindrome (344341282143443).

The spelling of 213111141032131 in words is "two hundred thirteen trillion, one hundred eleven billion, one hundred forty-one million, thirty-two thousand, one hundred thirty-one".