131244056 has 8 divisors (see below), whose sum is σ = 246082620. Its totient is φ = 65622024.

The previous prime is 131244037. The next prime is 131244119. The reversal of 131244056 is 650442131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×131244056² = 34450004470662272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202746 + ... + 8202761.

Almost surely, 2^131244056 is an apocalyptic number.

It is an amenable number.

131244056 is a deficient number, since it is larger than the sum of its proper divisors (114838564).

131244056 is a wasteful number, since it uses less digits than its factorization.

131244056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405513 (or 16405509 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 131244056 is about 11456.1798170245. The cubic root of 131244056 is about 508.1905065964.

Adding to 131244056 its reverse (650442131), we get a palindrome (781686187).

The spelling of 131244056 in words is "one hundred thirty-one million, two hundred forty-four thousand, fifty-six".