248235031 has 4 divisors (see below), whose sum is σ = 270801864. Its totient is φ = 225668200.

The previous prime is 248235023. The next prime is 248235049. The reversal of 248235031 is 130532842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248235031 - 2³ = 248235023 is a prime.

It is a super-2 number, since 2×248235031² = 123241261231141922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248238031) 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, 11283400 + ... + 11283421.

It is an arithmetic number, because the mean of its divisors is an integer number (67700466).

Almost surely, 2^248235031 is an apocalyptic number.

248235031 is a deficient number, since it is larger than the sum of its proper divisors (22566833).

248235031 is a wasteful number, since it uses less digits than its factorization.

248235031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566832.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 248235031 is about 15755.4762225710. The cubic root of 248235031 is about 628.4745414249.

Adding to 248235031 its reverse (130532842), we get a palindrome (378767873).

The spelling of 248235031 in words is "two hundred forty-eight million, two hundred thirty-five thousand, thirty-one".