211233104131 has 16 divisors (see below), whose sum is σ = 249219143680. Its totient is φ = 175200589440.

The previous prime is 211233104113. The next prime is 211233104141. The reversal of 211233104131 is 131401332112.

It is a cyclic number.

It is not a de Polignac number, because 211233104131 - 2¹⁹ = 211232579843 is a prime.

It is a super-2 number, since 2×211233104131² (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 (211233104111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785540 + ... + 2860366.

It is an arithmetic number, because the mean of its divisors is an integer number (15576196480).

Almost surely, 2^211233104131 is an apocalyptic number.

211233104131 is a deficient number, since it is larger than the sum of its proper divisors (37986039549).

211233104131 is a wasteful number, since it uses less digits than its factorization.

211233104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87874.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211233104131 its reverse (131401332112), we get a palindrome (342634436243).

The spelling of 211233104131 in words is "two hundred eleven billion, two hundred thirty-three million, one hundred four thousand, one hundred thirty-one".