131227000 has 64 divisors (see below), whose sum is σ = 308823840. Its totient is φ = 52192000.

The previous prime is 131226973. The next prime is 131227009. The reversal of 131227000 is 722131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131227009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280767 + ... + 281233.

Almost surely, 2^131227000 is an apocalyptic number.

131227000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131227000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154411920).

131227000 is an abundant number, since it is smaller than the sum of its proper divisors (177596840).

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

131227000 is a wasteful number, since it uses less digits than its factorization.

131227000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 131227000 is about 11455.4353911146. The cubic root of 131227000 is about 508.1684914463.

Adding to 131227000 its reverse (722131), we get a palindrome (131949131).

The spelling of 131227000 in words is "one hundred thirty-one million, two hundred twenty-seven thousand".