131214550 has 12 divisors (see below), whose sum is σ = 244059156. Its totient is φ = 52485800.

The previous prime is 131214547. The next prime is 131214581. The reversal of 131214550 is 55412131.

It is a happy number.

It is a super-3 number, since 3×131214550³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1312096 + ... + 1312195.

It is an arithmetic number, because the mean of its divisors is an integer number (20338263).

Almost surely, 2^131214550 is an apocalyptic number.

131214550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131214550 is a deficient number, since it is larger than the sum of its proper divisors (112844606).

131214550 is a wasteful number, since it uses less digits than its factorization.

131214550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624303 (or 2624298 counting only the distinct ones).

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

The square root of 131214550 is about 11454.8919680633. The cubic root of 131214550 is about 508.1524203182.

Adding to 131214550 its reverse (55412131), we get a palindrome (186626681).

It can be divided in two parts, 13121 and 4550, that added together give a palindrome (17671).

The spelling of 131214550 in words is "one hundred thirty-one million, two hundred fourteen thousand, five hundred fifty".