211232301031 has 2 divisors, whose sum is σ = 211232301032. Its totient is φ = 211232301030.

The previous prime is 211232300971. The next prime is 211232301053. The reversal of 211232301031 is 130103232112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211232301031 - 2³⁷ = 73793347559 is a prime.

It is a super-2 number, since 2×211232301031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211232341031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616150515 + 105616150516.

It is an arithmetic number, because the mean of its divisors is an integer number (105616150516).

Almost surely, 2^211232301031 is an apocalyptic number.

211232301031 is a deficient number, since it is larger than the sum of its proper divisors (1).

211232301031 is an equidigital number, since it uses as much as digits as its factorization.

211232301031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211232301031 its reverse (130103232112), we get a palindrome (341335533143).

The spelling of 211232301031 in words is "two hundred eleven billion, two hundred thirty-two million, three hundred one thousand, thirty-one".