131223414554 has 8 divisors (see below), whose sum is σ = 196836958548. Its totient is φ = 65611095040.

The previous prime is 131223414503. The next prime is 131223414559. The reversal of 131223414554 is 455414322131.

131223414554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 105740081329 + 25483333225 = 325177^2 + 159635^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131223414559) 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, 40124 + ... + 513864.

Almost surely, 2^131223414554 is an apocalyptic number.

131223414554 is a deficient number, since it is larger than the sum of its proper divisors (65613543994).

131223414554 is a wasteful number, since it uses less digits than its factorization.

131223414554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612240.

The product of its digits is 57600, while the sum is 35.

Adding to 131223414554 its reverse (455414322131), we get a palindrome (586637736685).

The spelling of 131223414554 in words is "one hundred thirty-one billion, two hundred twenty-three million, four hundred fourteen thousand, five hundred fifty-four".