131343476 has 12 divisors (see below), whose sum is σ = 250746720. Its totient is φ = 59701560.

The previous prime is 131343473. The next prime is 131343493. The reversal of 131343476 is 674343131.

It is a super-2 number, since 2×131343476² = 34502217375525152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131343473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492496 + ... + 1492583.

It is an arithmetic number, because the mean of its divisors is an integer number (20895560).

Almost surely, 2^131343476 is an apocalyptic number.

It is an amenable number.

131343476 is a deficient number, since it is larger than the sum of its proper divisors (119403244).

131343476 is a wasteful number, since it uses less digits than its factorization.

131343476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985094 (or 2985092 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 131343476 is about 11460.5181383740. The cubic root of 131343476 is about 508.3187957024.

The spelling of 131343476 in words is "one hundred thirty-one million, three hundred forty-three thousand, four hundred seventy-six".