71231107 has 2 divisors, whose sum is σ = 71231108. Its totient is φ = 71231106.

The previous prime is 71231093. The next prime is 71231123. The reversal of 71231107 is 70113217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71231107 - 2⁷ = 71230979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71231197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35615553 + 35615554.

It is an arithmetic number, because the mean of its divisors is an integer number (35615554).

Almost surely, 2^71231107 is an apocalyptic number.

71231107 is a deficient number, since it is larger than the sum of its proper divisors (1).

71231107 is an equidigital number, since it uses as much as digits as its factorization.

71231107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 71231107 is about 8439.8523091343. The cubic root of 71231107 is about 414.5305709600.

The spelling of 71231107 in words is "seventy-one million, two hundred thirty-one thousand, one hundred seven".