131512267 has 2 divisors, whose sum is σ = 131512268. Its totient is φ = 131512266.

The previous prime is 131512253. The next prime is 131512273. The reversal of 131512267 is 762215131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (762215131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131512267 - 2¹⁹ = 130987979 is a prime.

It is not a weakly prime, because it can be changed into another prime (131512207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65756133 + 65756134.

It is an arithmetic number, because the mean of its divisors is an integer number (65756134).

Almost surely, 2^131512267 is an apocalyptic number.

131512267 is a deficient number, since it is larger than the sum of its proper divisors (1).

131512267 is an equidigital number, since it uses as much as digits as its factorization.

131512267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 131512267 is about 11467.8797953240. The cubic root of 131512267 is about 508.5364512537.

Adding to 131512267 its reverse (762215131), we get a palindrome (893727398).

The spelling of 131512267 in words is "one hundred thirty-one million, five hundred twelve thousand, two hundred sixty-seven".