248128311 has 8 divisors (see below), whose sum is σ = 350298864. Its totient is φ = 155688320.

The previous prime is 248128303. The next prime is 248128313. The reversal of 248128311 is 113821842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248128311 - 2³ = 248128303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248128313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2432580 + ... + 2432681.

It is an arithmetic number, because the mean of its divisors is an integer number (43787358).

Almost surely, 2^248128311 is an apocalyptic number.

248128311 is a deficient number, since it is larger than the sum of its proper divisors (102170553).

248128311 is a wasteful number, since it uses less digits than its factorization.

248128311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865281.

The product of its digits is 3072, while the sum is 30.

The square root of 248128311 is about 15752.0890995449. The cubic root of 248128311 is about 628.3844649402.

The spelling of 248128311 in words is "two hundred forty-eight million, one hundred twenty-eight thousand, three hundred eleven".