212133103025231 has 2 divisors, whose sum is σ = 212133103025232. Its totient is φ = 212133103025230.

The previous prime is 212133103025213. The next prime is 212133103025281. The reversal of 212133103025231 is 132520301331212.

Together with previous prime (212133103025213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212133103025231 is a prime.

It is a super-3 number, since 3×212133103025231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 212133103025194 and 212133103025203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212133103025281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066551512615 + 106066551512616.

It is an arithmetic number, because the mean of its divisors is an integer number (106066551512616).

Almost surely, 2^{212133103025231} is an apocalyptic number.

212133103025231 is a deficient number, since it is larger than the sum of its proper divisors (1).

212133103025231 is an equidigital number, since it uses as much as digits as its factorization.

212133103025231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 212133103025231 its reverse (132520301331212), we get a palindrome (344653404356443).

The spelling of 212133103025231 in words is "two hundred twelve trillion, one hundred thirty-three billion, one hundred three million, twenty-five thousand, two hundred thirty-one".