131303093 has 2 divisors, whose sum is σ = 131303094. Its totient is φ = 131303092.

The previous prime is 131303089. The next prime is 131303119. The reversal of 131303093 is 390303131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109977169 + 21325924 = 10487^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303093 - 2² = 131303089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131303063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651546 + 65651547.

It is an arithmetic number, because the mean of its divisors is an integer number (65651547).

Almost surely, 2^131303093 is an apocalyptic number.

It is an amenable number.

131303093 is a deficient number, since it is larger than the sum of its proper divisors (1).

131303093 is an equidigital number, since it uses as much as digits as its factorization.

131303093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 131303093 is about 11458.7561715921. The cubic root of 131303093 is about 508.2666942893.

The spelling of 131303093 in words is "one hundred thirty-one million, three hundred three thousand, ninety-three".