131314555 has 4 divisors (see below), whose sum is σ = 157577472. Its totient is φ = 105051640.

The previous prime is 131314537. The next prime is 131314559. The reversal of 131314555 is 555413131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131314555 - 2²³ = 122925947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131314559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13131451 + ... + 13131460.

It is an arithmetic number, because the mean of its divisors is an integer number (39394368).

Almost surely, 2^131314555 is an apocalyptic number.

131314555 is a deficient number, since it is larger than the sum of its proper divisors (26262917).

131314555 is an equidigital number, since it uses as much as digits as its factorization.

131314555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26262916.

The product of its digits is 4500, while the sum is 28.

The square root of 131314555 is about 11459.2563022214. The cubic root of 131314555 is about 508.2814834391.

Adding to 131314555 its reverse (555413131), we get a palindrome (686727686).

The spelling of 131314555 in words is "one hundred thirty-one million, three hundred fourteen thousand, five hundred fifty-five".