71104331 has 2 divisors, whose sum is σ = 71104332. Its totient is φ = 71104330.

The previous prime is 71104309. The next prime is 71104337. The reversal of 71104331 is 13340117.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71104331 - 2²² = 66910027 is a prime.

It is a super-2 number, since 2×71104331² = 10111651773915122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71104337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35552165 + 35552166.

It is an arithmetic number, because the mean of its divisors is an integer number (35552166).

Almost surely, 2^71104331 is an apocalyptic number.

71104331 is a deficient number, since it is larger than the sum of its proper divisors (1).

71104331 is an equidigital number, since it uses as much as digits as its factorization.

71104331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 71104331 is about 8432.3384063971. The cubic root of 71104331 is about 414.2844999285.

Adding to 71104331 its reverse (13340117), we get a palindrome (84444448).

The spelling of 71104331 in words is "seventy-one million, one hundred four thousand, three hundred thirty-one".