131096513 has 8 divisors (see below), whose sum is σ = 134923560. Its totient is φ = 127284480.

The previous prime is 131096491. The next prime is 131096531. The reversal of 131096513 is 315690131.

It is a Cunningham number, because it is equal to 508³+1.

It can be written as a sum of positive squares in 4 ways, for example, as 85507009 + 45589504 = 9247^2 + 6752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131096513 - 2¹² = 131092417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131096543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15353 + ... + 22313.

It is an arithmetic number, because the mean of its divisors is an integer number (16865445).

Almost surely, 2^131096513 is an apocalyptic number.

It is an amenable number.

131096513 is a deficient number, since it is larger than the sum of its proper divisors (3827047).

131096513 is an equidigital number, since it uses as much as digits as its factorization.

131096513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 131096513 is about 11449.7385559671. The cubic root of 131096513 is about 508.0000012917. Note that the first 5 decimals are identical.

The spelling of 131096513 in words is "one hundred thirty-one million, ninety-six thousand, five hundred thirteen".