131550450 has 24 divisors (see below), whose sum is σ = 326245488. Its totient is φ = 35080080.

The previous prime is 131550449. The next prime is 131550451. The reversal of 131550450 is 54055131.

It is an interprime number because it is at equal distance from previous prime (131550449) and next prime (131550451).

It is a self number, because there is not a number n which added to its sum of digits gives 131550450.

It is not an unprimeable number, because it can be changed into a prime (131550451) 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 11 ways as a sum of consecutive naturals, for example, 438352 + ... + 438651.

It is an arithmetic number, because the mean of its divisors is an integer number (13593562).

Almost surely, 2^131550450 is an apocalyptic number.

131550450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131550450 is an abundant number, since it is smaller than the sum of its proper divisors (194695038).

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

131550450 is a wasteful number, since it uses less digits than its factorization.

131550450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877018 (or 877013 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 131550450 is about 11469.5444547724. The cubic root of 131550450 is about 508.5856622990.

The spelling of 131550450 in words is "one hundred thirty-one million, five hundred fifty thousand, four hundred fifty".