131643063 has 48 divisors (see below), whose sum is σ = 204736896. Its totient is φ = 84486240.

The previous prime is 131643059. The next prime is 131643089. The reversal of 131643063 is 360346131.

131643063 is a `hidden beast` number, since 13 + 1 + 643 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 131643063 - 2² = 131643059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131643013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1230256 + ... + 1230362.

It is an arithmetic number, because the mean of its divisors is an integer number (4265352).

Almost surely, 2^131643063 is an apocalyptic number.

131643063 is a deficient number, since it is larger than the sum of its proper divisors (73093833).

131643063 is an equidigital number, since it uses as much as digits as its factorization.

131643063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 131643063 is about 11473.5810887447. The cubic root of 131643063 is about 508.7049843155.

Adding to 131643063 its reverse (360346131), we get a palindrome (491989194).

The spelling of 131643063 in words is "one hundred thirty-one million, six hundred forty-three thousand, sixty-three".