248231133 has 24 divisors (see below), whose sum is σ = 363579840. Its totient is φ = 163183680.

The previous prime is 248231117. The next prime is 248231141. The reversal of 248231133 is 331132842.

It is not a de Polignac number, because 248231133 - 2⁴ = 248231117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248231097 and 248231106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248231933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306433 + ... + 307241.

It is an arithmetic number, because the mean of its divisors is an integer number (15149160).

Almost surely, 2^248231133 is an apocalyptic number.

It is an amenable number.

248231133 is a deficient number, since it is larger than the sum of its proper divisors (115348707).

248231133 is a wasteful number, since it uses less digits than its factorization.

248231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1246 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 248231133 is about 15755.3525190648. The cubic root of 248231133 is about 628.4712517918.

Adding to 248231133 its reverse (331132842), we get a palindrome (579363975).

The spelling of 248231133 in words is "two hundred forty-eight million, two hundred thirty-one thousand, one hundred thirty-three".