131301097 has 4 divisors (see below), whose sum is σ = 133453636. Its totient is φ = 129148560.

The previous prime is 131301041. The next prime is 131301101. The reversal of 131301097 is 790103131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790103131 = 10601 ⋅74531.

It can be written as a sum of positive squares in 2 ways, for example, as 65545216 + 65755881 = 8096^2 + 8109^2 .

It is a cyclic number.

It is not a de Polignac number, because 131301097 - 2¹⁵ = 131268329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131301697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076178 + ... + 1076299.

It is an arithmetic number, because the mean of its divisors is an integer number (33363409).

Almost surely, 2^131301097 is an apocalyptic number.

It is an amenable number.

131301097 is a deficient number, since it is larger than the sum of its proper divisors (2152539).

131301097 is an equidigital number, since it uses as much as digits as its factorization.

131301097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152538.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 131301097 is about 11458.6690762933. The cubic root of 131301097 is about 508.2641188093.

The spelling of 131301097 in words is "one hundred thirty-one million, three hundred one thousand, ninety-seven".