212041031 has 2 divisors, whose sum is σ = 212041032. Its totient is φ = 212041030.

The previous prime is 212041021. The next prime is 212041057. The reversal of 212041031 is 130140212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212041031 - 2²⁶ = 144932167 is a prime.

It is a super-2 number, since 2×212041031² = 89922797655085922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212040997 and 212041015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212041021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106020515 + 106020516.

It is an arithmetic number, because the mean of its divisors is an integer number (106020516).

Almost surely, 2^212041031 is an apocalyptic number.

212041031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212041031 is an equidigital number, since it uses as much as digits as its factorization.

212041031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212041031 is about 14561.6287207166. The cubic root of 212041031 is about 596.3116613519.

Adding to 212041031 its reverse (130140212), we get a palindrome (342181243).

The spelling of 212041031 in words is "two hundred twelve million, forty-one thousand, thirty-one".