131031127 has 2 divisors, whose sum is σ = 131031128. Its totient is φ = 131031126.

The previous prime is 131031113. The next prime is 131031133. The reversal of 131031127 is 721130131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131031127 - 2¹¹ = 131029079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131031137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515563 + 65515564.

It is an arithmetic number, because the mean of its divisors is an integer number (65515564).

Almost surely, 2^131031127 is an apocalyptic number.

131031127 is a deficient number, since it is larger than the sum of its proper divisors (1).

131031127 is an equidigital number, since it uses as much as digits as its factorization.

131031127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 131031127 is about 11446.8828508027. The cubic root of 131031127 is about 507.9155301613.

Adding to 131031127 its reverse (721130131), we get a palindrome (852161258).

The spelling of 131031127 in words is "one hundred thirty-one million, thirty-one thousand, one hundred twenty-seven".