131002663 has 16 divisors (see below), whose sum is σ = 159287040. Its totient is φ = 106185600.

The previous prime is 131002637. The next prime is 131002679. The reversal of 131002663 is 366200131.

It is a cyclic number.

It is not a de Polignac number, because 131002663 - 2¹³ = 130994471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14883 + ... + 21988.

It is an arithmetic number, because the mean of its divisors is an integer number (9955440).

Almost surely, 2^131002663 is an apocalyptic number.

131002663 is a deficient number, since it is larger than the sum of its proper divisors (28284377).

131002663 is a wasteful number, since it uses less digits than its factorization.

131002663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36918.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 131002663 is about 11445.6394753635. The cubic root of 131002663 is about 507.8787491944.

Adding to 131002663 its reverse (366200131), we get a palindrome (497202794).

The spelling of 131002663 in words is "one hundred thirty-one million, two thousand, six hundred sixty-three".