131225255 has 8 divisors (see below), whose sum is σ = 179966112. Its totient is φ = 89983008.

The previous prime is 131225251. The next prime is 131225257. The reversal of 131225255 is 552522131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131225255 - 2² = 131225251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131225251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874612 + ... + 1874681.

It is an arithmetic number, because the mean of its divisors is an integer number (22495764).

Almost surely, 2^131225255 is an apocalyptic number.

131225255 is a deficient number, since it is larger than the sum of its proper divisors (48740857).

131225255 is an equidigital number, since it uses as much as digits as its factorization.

131225255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749305.

The product of its digits is 3000, while the sum is 26.

The square root of 131225255 is about 11455.3592261439. The cubic root of 131225255 is about 508.1662389679.

Adding to 131225255 its reverse (552522131), we get a palindrome (683747386).

The spelling of 131225255 in words is "one hundred thirty-one million, two hundred twenty-five thousand, two hundred fifty-five".