71342111 has 2 divisors, whose sum is σ = 71342112. Its totient is φ = 71342110.

The previous prime is 71342087. The next prime is 71342119. The reversal of 71342111 is 11124317.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71342111 - 2¹⁰ = 71341087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71342119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35671055 + 35671056.

It is an arithmetic number, because the mean of its divisors is an integer number (35671056).

Almost surely, 2^71342111 is an apocalyptic number.

71342111 is a deficient number, since it is larger than the sum of its proper divisors (1).

71342111 is an equidigital number, since it uses as much as digits as its factorization.

71342111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 71342111 is about 8446.4259305342. The cubic root of 71342111 is about 414.7457890561.

Adding to 71342111 its reverse (11124317), we get a palindrome (82466428).

It can be divided in two parts, 713 and 42111, that added together give a palindrome (42824).

The spelling of 71342111 in words is "seventy-one million, three hundred forty-two thousand, one hundred eleven".