131701111 has 2 divisors, whose sum is σ = 131701112. Its totient is φ = 131701110.

The previous prime is 131701079. The next prime is 131701117. The reversal of 131701111 is 111107131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131701111 - 2⁵ = 131701079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131701117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65850555 + 65850556.

It is an arithmetic number, because the mean of its divisors is an integer number (65850556).

Almost surely, 2^131701111 is an apocalyptic number.

131701111 is a deficient number, since it is larger than the sum of its proper divisors (1).

131701111 is an equidigital number, since it uses as much as digits as its factorization.

131701111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 16.

The square root of 131701111 is about 11476.1104473598. The cubic root of 131701111 is about 508.7797444713.

Adding to 131701111 its reverse (111107131), we get a palindrome (242808242).

The spelling of 131701111 in words is "one hundred thirty-one million, seven hundred one thousand, one hundred eleven".