212324023031 has 2 divisors, whose sum is σ = 212324023032. Its totient is φ = 212324023030.

The previous prime is 212324022991. The next prime is 212324023057. The reversal of 212324023031 is 130320423212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212324023031 - 2¹⁴ = 212324006647 is a prime.

It is a super-2 number, since 2×212324023031² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 212324022988 and 212324023006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212324023091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106162011515 + 106162011516.

It is an arithmetic number, because the mean of its divisors is an integer number (106162011516).

Almost surely, 2^212324023031 is an apocalyptic number.

212324023031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212324023031 is an equidigital number, since it uses as much as digits as its factorization.

212324023031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212324023031 its reverse (130320423212), we get a palindrome (342644446243).

The spelling of 212324023031 in words is "two hundred twelve billion, three hundred twenty-four million, twenty-three thousand, thirty-one".