248131 has 4 divisors (see below), whose sum is σ = 267232. Its totient is φ = 229032.

The previous prime is 248119. The next prime is 248137. The reversal of 248131 is 131842.

248131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131842 = 2 ⋅65921.

It is a cyclic number.

It is not a de Polignac number, because 248131 - 2⁵ = 248099 is a prime.

It is a super-2 number, since 2×248131² = 123137986322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248099 and 248108.

It is not an unprimeable number, because it can be changed into a prime (248137) 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, 9531 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (66808).

2²⁴⁸¹³¹ is an apocalyptic number.

248131 is a deficient number, since it is larger than the sum of its proper divisors (19101).

248131 is a wasteful number, since it uses less digits than its factorization.

248131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19100.

The product of its digits is 192, while the sum is 19.

The square root of 248131 is about 498.1274937202. The cubic root of 248131 is about 62.8386734894.

Adding to 248131 its reverse (131842), we get a palindrome (379973).

The spelling of 248131 in words is "two hundred forty-eight thousand, one hundred thirty-one".