2240661031 has 4 divisors (see below), whose sum is σ = 2560755472. Its totient is φ = 1920566592.

The previous prime is 2240660993. The next prime is 2240661037. The reversal of 2240661031 is 1301660422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2240661031 - 2¹¹ = 2240658983 is a prime.

It is a super-2 number, since 2×2240661031² = 10041123711683965922, 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 = 2240660987 and 2240661005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240661037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160047210 + ... + 160047223.

It is an arithmetic number, because the mean of its divisors is an integer number (640188868).

Almost surely, 2^2240661031 is an apocalyptic number.

2240661031 is a deficient number, since it is larger than the sum of its proper divisors (320094441).

2240661031 is an equidigital number, since it uses as much as digits as its factorization.

2240661031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320094440.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2240661031 is about 47335.6211641930. The cubic root of 2240661031 is about 1308.5552183356. Note that the first 3 decimals are identical.

The spelling of 2240661031 in words is "two billion, two hundred forty million, six hundred sixty-one thousand, thirty-one".