131144055 has 16 divisors (see below), whose sum is σ = 239806464. Its totient is φ = 59951520.

The previous prime is 131144051. The next prime is 131144059. The reversal of 131144055 is 550441131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131144051) and next prime (131144059).

It is not a de Polignac number, because 131144055 - 2² = 131144051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131144051) 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, 624391 + ... + 624600.

It is an arithmetic number, because the mean of its divisors is an integer number (14987904).

Almost surely, 2^131144055 is an apocalyptic number.

131144055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131144055 is a deficient number, since it is larger than the sum of its proper divisors (108662409).

131144055 is a wasteful number, since it uses less digits than its factorization.

131144055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249006.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 131144055 is about 11451.8144850500. The cubic root of 131144055 is about 508.0614024091.

Adding to 131144055 its reverse (550441131), we get a palindrome (681585186).

The spelling of 131144055 in words is "one hundred thirty-one million, one hundred forty-four thousand, fifty-five".