131045056 has 28 divisors (see below), whose sum is σ = 260466840. Its totient is φ = 65415680.

The previous prime is 131045051. The next prime is 131045069. The reversal of 131045056 is 650540131.

It is a self number, because there is not a number n which added to its sum of digits gives 131045056.

It is not an unprimeable number, because it can be changed into a prime (131045051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50511 + ... + 53041.

Almost surely, 2^131045056 is an apocalyptic number.

131045056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131045056 is a deficient number, since it is larger than the sum of its proper divisors (129421784).

131045056 is an equidigital number, since it uses as much as digits as its factorization.

131045056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3342 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 131045056 is about 11447.4912535455. The cubic root of 131045056 is about 507.9335271693.

Adding to 131045056 its reverse (650540131), we get a palindrome (781585187).

The spelling of 131045056 in words is "one hundred thirty-one million, forty-five thousand, fifty-six".