248732906831 has 8 divisors (see below), whose sum is σ = 250752177984. Its totient is φ = 246716588160.

The previous prime is 248732906827. The next prime is 248732906833. The reversal of 248732906831 is 138609237842.

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 248732906831 - 2² = 248732906827 is a prime.

It is a super-2 number, since 2×248732906831² (a number of 24 digits) 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 (248732906833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568790 + ... + 906083.

It is an arithmetic number, because the mean of its divisors is an integer number (31344022248).

Almost surely, 2^248732906831 is an apocalyptic number.

248732906831 is a deficient number, since it is larger than the sum of its proper divisors (2019271153).

248732906831 is a wasteful number, since it uses less digits than its factorization.

248732906831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476241.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 248732906831 in words is "two hundred forty-eight billion, seven hundred thirty-two million, nine hundred six thousand, eight hundred thirty-one".