131324454 has 12 divisors (see below), whose sum is σ = 284536356. Its totient is φ = 43774812.

The previous prime is 131324449. The next prime is 131324483. The reversal of 131324454 is 454423131.

It is a happy number.

It is a super-2 number, since 2×131324454² = 34492224436796232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3647884 + ... + 3647919.

It is an arithmetic number, because the mean of its divisors is an integer number (23711363).

Almost surely, 2^131324454 is an apocalyptic number.

131324454 is an abundant number, since it is smaller than the sum of its proper divisors (153211902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131324454 is a wasteful number, since it uses less digits than its factorization.

131324454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295811 (or 7295808 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 131324454 is about 11459.6882156540. The cubic root of 131324454 is about 508.2942551942.

Adding to 131324454 its reverse (454423131), we get a palindrome (585747585).

The spelling of 131324454 in words is "one hundred thirty-one million, three hundred twenty-four thousand, four hundred fifty-four".