131310454 has 16 divisors (see below), whose sum is σ = 220113936. Its totient is φ = 58230400.

The previous prime is 131310437. The next prime is 131310461. The reversal of 131310454 is 454013131.

It is a super-2 number, since 2×131310454² = 34484870659372232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71887 + ... + 73690.

It is an arithmetic number, because the mean of its divisors is an integer number (13757121).

Almost surely, 2^131310454 is an apocalyptic number.

131310454 is a deficient number, since it is larger than the sum of its proper divisors (88803482).

131310454 is a wasteful number, since it uses less digits than its factorization.

131310454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145631.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 131310454 is about 11459.0773625105. The cubic root of 131310454 is about 508.2761921139.

Adding to 131310454 its reverse (454013131), we get a palindrome (585323585).

The spelling of 131310454 in words is "one hundred thirty-one million, three hundred ten thousand, four hundred fifty-four".