131324456 has 16 divisors (see below), whose sum is σ = 260717940. Its totient is φ = 61799680.

The previous prime is 131324449. The next prime is 131324483. The reversal of 131324456 is 654423131.

It can be written as a sum of positive squares in 2 ways, for example, as 130188100 + 1136356 = 11410^2 + 1066^2 .

It is a super-2 number, since 2×131324456² = 34492225487391872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482675 + ... + 482946.

Almost surely, 2^131324456 is an apocalyptic number.

It is an amenable number.

131324456 is a deficient number, since it is larger than the sum of its proper divisors (129393484).

131324456 is a wasteful number, since it uses less digits than its factorization.

131324456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965644 (or 965640 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 131324456 is about 11459.6883029164. The cubic root of 131324456 is about 508.2942577745.

Adding to 131324456 its reverse (654423131), we get a palindrome (785747587).

The spelling of 131324456 in words is "one hundred thirty-one million, three hundred twenty-four thousand, four hundred fifty-six".