280807907231 has 8 divisors (see below), whose sum is σ = 281077682304. Its totient is φ = 280538247960.

The previous prime is 280807907129. The next prime is 280807907243. The reversal of 280807907231 is 132709708082.

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 280807907231 - 2³⁰ = 279734165407 is a prime.

It is a super-2 number, since 2×280807907231² (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 (280807907291) 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, 5281526 + ... + 5334428.

It is an arithmetic number, because the mean of its divisors is an integer number (35134710288).

Almost surely, 2^280807907231 is an apocalyptic number.

280807907231 is a deficient number, since it is larger than the sum of its proper divisors (269775073).

280807907231 is a wasteful number, since it uses less digits than its factorization.

280807907231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57901.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 280807907231 in words is "two hundred eighty billion, eight hundred seven million, nine hundred seven thousand, two hundred thirty-one".