131341231 has 8 divisors (see below), whose sum is σ = 154161440. Its totient is φ = 109535328.

The previous prime is 131341229. The next prime is 131341271. The reversal of 131341231 is 132143131.

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

It is not a de Polignac number, because 131341231 - 2¹ = 131341229 is a prime.

It is a super-2 number, since 2×131341231² = 34501037921190722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131341199 and 131341208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131341211) 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 7 ways as a sum of consecutive naturals, for example, 253296 + ... + 253813.

It is an arithmetic number, because the mean of its divisors is an integer number (19270180).

Almost surely, 2^131341231 is an apocalyptic number.

131341231 is a deficient number, since it is larger than the sum of its proper divisors (22820209).

131341231 is an equidigital number, since it uses as much as digits as its factorization.

131341231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507153.

The product of its digits is 216, while the sum is 19.

The square root of 131341231 is about 11460.4201929947. The cubic root of 131341231 is about 508.3158995245.

Adding to 131341231 its reverse (132143131), we get a palindrome (263484362).

It can be divided in two parts, 13134 and 1231, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 131341231 in words is "one hundred thirty-one million, three hundred forty-one thousand, two hundred thirty-one".