131024551 has 16 divisors (see below), whose sum is σ = 157999360. Its totient is φ = 106142400.

The previous prime is 131024519. The next prime is 131024557. The reversal of 131024551 is 155420131.

It is a happy number.

It is not a de Polignac number, because 131024551 - 2⁵ = 131024519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131024557) 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 in 15 ways as a sum of consecutive naturals, for example, 71851 + ... + 73651.

It is an arithmetic number, because the mean of its divisors is an integer number (9874960).

Almost surely, 2^131024551 is an apocalyptic number.

131024551 is a deficient number, since it is larger than the sum of its proper divisors (26974809).

131024551 is a wasteful number, since it uses less digits than its factorization.

131024551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 131024551 is about 11446.5956074284. The cubic root of 131024551 is about 507.9070331767.

Adding to 131024551 its reverse (155420131), we get a palindrome (286444682).

The spelling of 131024551 in words is "one hundred thirty-one million, twenty-four thousand, five hundred fifty-one".