211612464031 has 2 divisors, whose sum is σ = 211612464032. Its totient is φ = 211612464030.

The previous prime is 211612463989. The next prime is 211612464043. The reversal of 211612464031 is 130464216112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211612464031 - 2³¹ = 209464980383 is a prime.

It is a super-2 number, since 2×211612464031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211612463984 and 211612464002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211612462031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105806232015 + 105806232016.

It is an arithmetic number, because the mean of its divisors is an integer number (105806232016).

Almost surely, 2^211612464031 is an apocalyptic number.

211612464031 is a deficient number, since it is larger than the sum of its proper divisors (1).

211612464031 is an equidigital number, since it uses as much as digits as its factorization.

211612464031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 211612464031 in words is "two hundred eleven billion, six hundred twelve million, four hundred sixty-four thousand, thirty-one".