131308863 has 16 divisors (see below), whose sum is σ = 208790016. Its totient is φ = 71771040.

The previous prime is 131308861. The next prime is 131308907. The reversal of 131308863 is 368803131.

It is a happy number.

It is not a de Polignac number, because 131308863 - 2¹ = 131308861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131308861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135448 + ... + 136413.

It is an arithmetic number, because the mean of its divisors is an integer number (13049376).

Almost surely, 2^131308863 is an apocalyptic number.

131308863 is a deficient number, since it is larger than the sum of its proper divisors (77481153).

131308863 is a wasteful number, since it uses less digits than its factorization.

131308863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271894.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 131308863 is about 11459.0079413534. The cubic root of 131308863 is about 508.2741392926.

The spelling of 131308863 in words is "one hundred thirty-one million, three hundred eight thousand, eight hundred sixty-three".