131434097 has 4 divisors (see below), whose sum is σ = 131902116. Its totient is φ = 130966080.

The previous prime is 131434081. The next prime is 131434109. The reversal of 131434097 is 790434131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790434131 = 6173 ⋅128047.

It can be written as a sum of positive squares in 2 ways, for example, as 55413136 + 76020961 = 7444^2 + 8719^2 .

It is a cyclic number.

It is not a de Polignac number, because 131434097 - 2⁴ = 131434081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131434057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233588 + ... + 234149.

It is an arithmetic number, because the mean of its divisors is an integer number (32975529).

Almost surely, 2^131434097 is an apocalyptic number.

It is an amenable number.

131434097 is a deficient number, since it is larger than the sum of its proper divisors (468019).

131434097 is an equidigital number, since it uses as much as digits as its factorization.

131434097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468018.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 131434097 is about 11464.4710737129. The cubic root of 131434097 is about 508.4356744109.

The spelling of 131434097 in words is "one hundred thirty-one million, four hundred thirty-four thousand, ninety-seven".