131230550 has 72 divisors (see below), whose sum is σ = 272118000. Its totient is φ = 47044800.

The previous prime is 131230537. The next prime is 131230579. The reversal of 131230550 is 55032131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 659351 + ... + 659549.

Almost surely, 2^131230550 is an apocalyptic number.

131230550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131230550 is an abundant number, since it is smaller than the sum of its proper divisors (140887450).

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

131230550 is a wasteful number, since it uses less digits than its factorization.

131230550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 131230550 is about 11455.5903383457. The cubic root of 131230550 is about 508.1730737906.

Adding to 131230550 its reverse (55032131), we get a palindrome (186262681).

The spelling of 131230550 in words is "one hundred thirty-one million, two hundred thirty thousand, five hundred fifty".