131344155 has 24 divisors (see below), whose sum is σ = 230787648. Its totient is φ = 69088896.

The previous prime is 131344151. The next prime is 131344181. The reversal of 131344155 is 551443131.

It is a happy number.

It is not a de Polignac number, because 131344155 - 2² = 131344151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131344151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16707 + ... + 23276.

It is an arithmetic number, because the mean of its divisors is an integer number (9616152).

Almost surely, 2^131344155 is an apocalyptic number.

131344155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131344155 is a deficient number, since it is larger than the sum of its proper divisors (99443493).

131344155 is a wasteful number, since it uses less digits than its factorization.

131344155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40067 (or 40064 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 131344155 is about 11460.5477617782. The cubic root of 131344155 is about 508.3196716445.

Adding to 131344155 its reverse (551443131), we get a palindrome (682787286).

The spelling of 131344155 in words is "one hundred thirty-one million, three hundred forty-four thousand, one hundred fifty-five".