131168983 has 4 divisors (see below), whose sum is σ = 143093448. Its totient is φ = 119244520.

The previous prime is 131168969. The next prime is 131168987. The reversal of 131168983 is 389861131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389861131 = 11 ⋅35441921.

It is a cyclic number.

It is not a de Polignac number, because 131168983 - 2¹³ = 131160791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131168987) 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, 5962216 + ... + 5962237.

It is an arithmetic number, because the mean of its divisors is an integer number (35773362).

Almost surely, 2^131168983 is an apocalyptic number.

131168983 is a deficient number, since it is larger than the sum of its proper divisors (11924465).

131168983 is a wasteful number, since it uses less digits than its factorization.

131168983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11924464.

The product of its digits is 31104, while the sum is 40.

The square root of 131168983 is about 11452.9028198095. The cubic root of 131168983 is about 508.0935913184.

The spelling of 131168983 in words is "one hundred thirty-one million, one hundred sixty-eight thousand, nine hundred eighty-three".