131024550 has 24 divisors (see below), whose sum is σ = 324941256. Its totient is φ = 34939840.

The previous prime is 131024519. The next prime is 131024557. The reversal of 131024550 is 55420131.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436599 + ... + 436898.

It is an arithmetic number, because the mean of its divisors is an integer number (13539219).

Almost surely, 2^131024550 is an apocalyptic number.

131024550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131024550 is an abundant number, since it is smaller than the sum of its proper divisors (193916706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131024550 is a wasteful number, since it uses less digits than its factorization.

131024550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873512 (or 873507 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 131024550 is about 11446.5955637473. The cubic root of 131024550 is about 507.9070318846.

Adding to 131024550 its reverse (55420131), we get a palindrome (186444681).

The spelling of 131024550 in words is "one hundred thirty-one million, twenty-four thousand, five hundred fifty".