2280011931 has 12 divisors (see below), whose sum is σ = 3311548240. Its totient is φ = 1511609040.

The previous prime is 2280011887. The next prime is 2280011939. The reversal of 2280011931 is 1391100822.

It is not a de Polignac number, because 2280011931 - 2⁷ = 2280011803 is a prime.

It is a super-2 number, since 2×2280011931² = 10396908811004697522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2280011895 and 2280011904.

It is not an unprimeable number, because it can be changed into a prime (2280011939) 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 11 ways as a sum of consecutive naturals, for example, 698191 + ... + 701448.

Almost surely, 2^2280011931 is an apocalyptic number.

2280011931 is a deficient number, since it is larger than the sum of its proper divisors (1031536309).

2280011931 is a wasteful number, since it uses less digits than its factorization.

2280011931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399826 (or 1399823 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2280011931 is about 47749.4704787393. The cubic root of 2280011931 is about 1316.1711688353.

The spelling of 2280011931 in words is "two billion, two hundred eighty million, eleven thousand, nine hundred thirty-one".