131079313 has 2 divisors, whose sum is σ = 131079314. Its totient is φ = 131079312.

The previous prime is 131079307. The next prime is 131079341. The reversal of 131079313 is 313970131.

It is an a-pointer prime, because the next prime (131079341) can be obtained adding 131079313 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111999889 + 19079424 = 10583^2 + 4368^2 .

It is a cyclic number.

It is not a de Polignac number, because 131079313 - 2²⁵ = 97524881 is a prime.

It is not a weakly prime, because it can be changed into another prime (131079343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65539656 + 65539657.

It is an arithmetic number, because the mean of its divisors is an integer number (65539657).

Almost surely, 2^131079313 is an apocalyptic number.

It is an amenable number.

131079313 is a deficient number, since it is larger than the sum of its proper divisors (1).

131079313 is an equidigital number, since it uses as much as digits as its factorization.

131079313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 131079313 is about 11448.9874224754. The cubic root of 131079313 is about 507.9777836090.

The spelling of 131079313 in words is "one hundred thirty-one million, seventy-nine thousand, three hundred thirteen".