131293259 has 2 divisors, whose sum is σ = 131293260. Its totient is φ = 131293258.

The previous prime is 131293247. The next prime is 131293303. The reversal of 131293259 is 952392131.

It is a weak prime.

It is an emirp because it is prime and its reverse (952392131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131293259 - 2⁸ = 131293003 is a prime.

It is not a weakly prime, because it can be changed into another prime (131223259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65646629 + 65646630.

It is an arithmetic number, because the mean of its divisors is an integer number (65646630).

Almost surely, 2^131293259 is an apocalyptic number.

131293259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131293259 is an equidigital number, since it uses as much as digits as its factorization.

131293259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 131293259 is about 11458.3270593922. The cubic root of 131293259 is about 508.2540050237.

The spelling of 131293259 in words is "one hundred thirty-one million, two hundred ninety-three thousand, two hundred fifty-nine".