210212323031 has 2 divisors, whose sum is σ = 210212323032. Its totient is φ = 210212323030.

The previous prime is 210212323021. The next prime is 210212323043. The reversal of 210212323031 is 130323212012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210212323031 - 2⁶ = 210212322967 is a prime.

It is a super-2 number, since 2×210212323031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210212322994 and 210212323012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210212323001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106161515 + 105106161516.

It is an arithmetic number, because the mean of its divisors is an integer number (105106161516).

Almost surely, 2^210212323031 is an apocalyptic number.

210212323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212323031 is an equidigital number, since it uses as much as digits as its factorization.

210212323031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210212323031 its reverse (130323212012), we get a palindrome (340535535043).

The spelling of 210212323031 in words is "two hundred ten billion, two hundred twelve million, three hundred twenty-three thousand, thirty-one".