131031301 has 2 divisors, whose sum is σ = 131031302. Its totient is φ = 131031300.

The previous prime is 131031293. The next prime is 131031337. The reversal of 131031301 is 103130131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 56640676 = 8625^2 + 7526^2 .

It is a cyclic number.

It is not a de Polignac number, because 131031301 - 2³ = 131031293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131031371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515650 + 65515651.

It is an arithmetic number, because the mean of its divisors is an integer number (65515651).

Almost surely, 2^131031301 is an apocalyptic number.

It is an amenable number.

131031301 is a deficient number, since it is larger than the sum of its proper divisors (1).

131031301 is an equidigital number, since it uses as much as digits as its factorization.

131031301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 131031301 is about 11446.8904511225. The cubic root of 131031301 is about 507.9157549864.

Adding to 131031301 its reverse (103130131), we get a palindrome (234161432).

The spelling of 131031301 in words is "one hundred thirty-one million, thirty-one thousand, three hundred one".