131227340 has 24 divisors (see below), whose sum is σ = 284468352. Its totient is φ = 50797440.

The previous prime is 131227333. The next prime is 131227361. The reversal of 131227340 is 43722131.

It is a super-2 number, since 2×131227340² = 34441229526951200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105209 + ... + 106448.

It is an arithmetic number, because the mean of its divisors is an integer number (11852848).

Almost surely, 2^131227340 is an apocalyptic number.

131227340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131227340 is an abundant number, since it is smaller than the sum of its proper divisors (153241012).

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

131227340 is a wasteful number, since it uses less digits than its factorization.

131227340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211697 (or 211695 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 131227340 is about 11455.4502312218. The cubic root of 131227340 is about 508.1689303223.

Adding to 131227340 its reverse (43722131), we get a palindrome (174949471).

The spelling of 131227340 in words is "one hundred thirty-one million, two hundred twenty-seven thousand, three hundred forty".