111707131 has 2 divisors, whose sum is σ = 111707132. Its totient is φ = 111707130.

The previous prime is 111707117. The next prime is 111707143. The reversal of 111707131 is 131707111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111707131 - 2¹⁹ = 111182843 is a prime.

It is a super-2 number, since 2×111707131² = 24956966232502322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111707161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55853565 + 55853566.

It is an arithmetic number, because the mean of its divisors is an integer number (55853566).

Almost surely, 2^111707131 is an apocalyptic number.

111707131 is a deficient number, since it is larger than the sum of its proper divisors (1).

111707131 is an equidigital number, since it uses as much as digits as its factorization.

111707131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 22.

The square root of 111707131 is about 10569.1594273149. The cubic root of 111707131 is about 481.6079337290.

The spelling of 111707131 in words is "one hundred eleven million, seven hundred seven thousand, one hundred thirty-one".