131523467 has 2 divisors, whose sum is σ = 131523468. Its totient is φ = 131523466.

The previous prime is 131523397. The next prime is 131523487. The reversal of 131523467 is 764325131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131523467 - 2²⁴ = 114746251 is a prime.

It is not a weakly prime, because it can be changed into another prime (131523487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65761733 + 65761734.

It is an arithmetic number, because the mean of its divisors is an integer number (65761734).

Almost surely, 2^131523467 is an apocalyptic number.

131523467 is a deficient number, since it is larger than the sum of its proper divisors (1).

131523467 is an equidigital number, since it uses as much as digits as its factorization.

131523467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 131523467 is about 11468.3681053583. The cubic root of 131523467 is about 508.5508870340.

Adding to 131523467 its reverse (764325131), we get a palindrome (895848598).

The spelling of 131523467 in words is "one hundred thirty-one million, five hundred twenty-three thousand, four hundred sixty-seven".