2281116731 has 8 divisors (see below), whose sum is σ = 2286673200. Its totient is φ = 2275568640.

The previous prime is 2281116727. The next prime is 2281116737. The reversal of 2281116731 is 1376111822.

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 2281116731 - 2² = 2281116727 is a prime.

It is a super-2 number, since 2×2281116731² = 10406987080896252722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2281116737) 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, 1206635 + ... + 1208523.

It is an arithmetic number, because the mean of its divisors is an integer number (285834150).

Almost surely, 2^2281116731 is an apocalyptic number.

2281116731 is a deficient number, since it is larger than the sum of its proper divisors (5556469).

2281116731 is a wasteful number, since it uses less digits than its factorization.

2281116731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189.

The product of its digits is 4032, while the sum is 32.

The square root of 2281116731 is about 47761.0377923261. The cubic root of 2281116731 is about 1316.3837219780.

The spelling of 2281116731 in words is "two billion, two hundred eighty-one million, one hundred sixteen thousand, seven hundred thirty-one".