131331454 has 4 divisors (see below), whose sum is σ = 196997184. Its totient is φ = 65665726.

The previous prime is 131331437. The next prime is 131331467. The reversal of 131331454 is 454133131.

131331454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832862 + ... + 32832865.

It is an arithmetic number, because the mean of its divisors is an integer number (49249296).

Almost surely, 2^131331454 is an apocalyptic number.

131331454 is a deficient number, since it is larger than the sum of its proper divisors (65665730).

131331454 is an equidigital number, since it uses as much as digits as its factorization.

131331454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65665729.

The product of its digits is 2160, while the sum is 25.

The square root of 131331454 is about 11459.9936300157. The cubic root of 131331454 is about 508.3032862529.

Adding to 131331454 its reverse (454133131), we get a palindrome (585464585).

The spelling of 131331454 in words is "one hundred thirty-one million, three hundred thirty-one thousand, four hundred fifty-four".