131207055 has 24 divisors (see below), whose sum is σ = 244207152. Its totient is φ = 59980032.

The previous prime is 131207051. The next prime is 131207099. The reversal of 131207055 is 550702131.

It is not a de Polignac number, because 131207055 - 2² = 131207051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131207051) 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, 88522 + ... + 89991.

It is an arithmetic number, because the mean of its divisors is an integer number (10175298).

Almost surely, 2^131207055 is an apocalyptic number.

131207055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131207055 is a deficient number, since it is larger than the sum of its proper divisors (113000097).

131207055 is a wasteful number, since it uses less digits than its factorization.

131207055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178535 (or 178528 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 131207055 is about 11454.5648105897. The cubic root of 131207055 is about 508.1427448797.

Adding to 131207055 its reverse (550702131), we get a palindrome (681909186).

The spelling of 131207055 in words is "one hundred thirty-one million, two hundred seven thousand, fifty-five".