280041821231 has 2 divisors, whose sum is σ = 280041821232. Its totient is φ = 280041821230.

The previous prime is 280041821209. The next prime is 280041821233. The reversal of 280041821231 is 132128140082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280041821231 - 2¹⁸ = 280041559087 is a prime.

It is a super-2 number, since 2×280041821231² (a number of 24 digits) contains 22 as substring.

Together with 280041821233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280041821233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140020910615 + 140020910616.

It is an arithmetic number, because the mean of its divisors is an integer number (140020910616).

Almost surely, 2^280041821231 is an apocalyptic number.

280041821231 is a deficient number, since it is larger than the sum of its proper divisors (1).

280041821231 is an equidigital number, since it uses as much as digits as its factorization.

280041821231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 280041821231 in words is "two hundred eighty billion, forty-one million, eight hundred twenty-one thousand, two hundred thirty-one".