212044031 has 2 divisors, whose sum is σ = 212044032. Its totient is φ = 212044030.

The previous prime is 212043989. The next prime is 212044069. The reversal of 212044031 is 130440212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212044031 is a prime.

It is a super-2 number, since 2×212044031² = 89925342165457922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212044531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106022015 + 106022016.

It is an arithmetic number, because the mean of its divisors is an integer number (106022016).

Almost surely, 2^212044031 is an apocalyptic number.

212044031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212044031 is an equidigital number, since it uses as much as digits as its factorization.

212044031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212044031 is about 14561.7317308073. The cubic root of 212044031 is about 596.3144735852.

Adding to 212044031 its reverse (130440212), we get a palindrome (342484243).

The spelling of 212044031 in words is "two hundred twelve million, forty-four thousand, thirty-one".