412331111 has 2 divisors, whose sum is σ = 412331112. Its totient is φ = 412331110.

The previous prime is 412331089. The next prime is 412331173. The reversal of 412331111 is 111133214.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412331111 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 412331111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412331191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206165555 + 206165556.

It is an arithmetic number, because the mean of its divisors is an integer number (206165556).

Almost surely, 2^412331111 is an apocalyptic number.

412331111 is a deficient number, since it is larger than the sum of its proper divisors (1).

412331111 is an equidigital number, since it uses as much as digits as its factorization.

412331111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 17.

The square root of 412331111 is about 20305.9378261631. The cubic root of 412331111 is about 744.3011695255.

Adding to 412331111 its reverse (111133214), we get a palindrome (523464325).

The spelling of 412331111 in words is "four hundred twelve million, three hundred thirty-one thousand, one hundred eleven".