280030901131 has 4 divisors (see below), whose sum is σ = 280386722632. Its totient is φ = 279675079632.

The previous prime is 280030901119. The next prime is 280030901147. The reversal of 280030901131 is 131109030082.

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 280030901131 - 2¹⁷ = 280030770059 is a prime.

It is a super-2 number, since 2×280030901131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 280030901131.

It is not an unprimeable number, because it can be changed into a prime (280330901131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177909570 + ... + 177911143.

It is an arithmetic number, because the mean of its divisors is an integer number (70096680658).

Almost surely, 2^280030901131 is an apocalyptic number.

280030901131 is a deficient number, since it is larger than the sum of its proper divisors (355821501).

280030901131 is an equidigital number, since it uses as much as digits as its factorization.

280030901131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355821500.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 280030901131 in words is "two hundred eighty billion, thirty million, nine hundred one thousand, one hundred thirty-one".