131630579 has 2 divisors, whose sum is σ = 131630580. Its totient is φ = 131630578.

The previous prime is 131630567. The next prime is 131630591. The reversal of 131630579 is 975036131.

It is a balanced prime because it is at equal distance from previous prime (131630567) and next prime (131630591).

It is a cyclic number.

It is not a de Polignac number, because 131630579 - 2⁴ = 131630563 is a prime.

It is not a weakly prime, because it can be changed into another prime (131630179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65815289 + 65815290.

It is an arithmetic number, because the mean of its divisors is an integer number (65815290).

Almost surely, 2^131630579 is an apocalyptic number.

131630579 is a deficient number, since it is larger than the sum of its proper divisors (1).

131630579 is an equidigital number, since it uses as much as digits as its factorization.

131630579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 131630579 is about 11473.0370434336. The cubic root of 131630579 is about 508.6889032712.

The spelling of 131630579 in words is "one hundred thirty-one million, six hundred thirty thousand, five hundred seventy-nine".