212010023431 has 2 divisors, whose sum is σ = 212010023432. Its totient is φ = 212010023430.

The previous prime is 212010023371. The next prime is 212010023441. The reversal of 212010023431 is 134320010212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212010023431 - 2²⁵ = 211976468999 is a prime.

It is a super-2 number, since 2×212010023431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212010023399 and 212010023408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212010023441) 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 as a sum of consecutive naturals, namely, 106005011715 + 106005011716.

It is an arithmetic number, because the mean of its divisors is an integer number (106005011716).

Almost surely, 2^212010023431 is an apocalyptic number.

212010023431 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010023431 is an equidigital number, since it uses as much as digits as its factorization.

212010023431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212010023431 its reverse (134320010212), we get a palindrome (346330033643).

The spelling of 212010023431 in words is "two hundred twelve billion, ten million, twenty-three thousand, four hundred thirty-one".