212332031 has 2 divisors, whose sum is σ = 212332032. Its totient is φ = 212332030.

The previous prime is 212332027. The next prime is 212332039. The reversal of 212332031 is 130233212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212332031 - 2² = 212332027 is a prime.

It is a super-2 number, since 2×212332031² = 90169782777169922, 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 (212332039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166015 + 106166016.

It is an arithmetic number, because the mean of its divisors is an integer number (106166016).

Almost surely, 2^212332031 is an apocalyptic number.

212332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212332031 is an equidigital number, since it uses as much as digits as its factorization.

212332031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 212332031 is about 14571.6173090018. The cubic root of 212332031 is about 596.5843245747.

Adding to 212332031 its reverse (130233212), we get a palindrome (342565243).

The spelling of 212332031 in words is "two hundred twelve million, three hundred thirty-two thousand, thirty-one".