2241431531 has 4 divisors (see below), whose sum is σ = 2241908064. Its totient is φ = 2240955000.

The previous prime is 2241431527. The next prime is 2241431593. The reversal of 2241431531 is 1351341422.

It is a happy number.

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 2241431531 - 2² = 2241431527 is a prime.

It is a super-2 number, since 2×2241431531² = 10048030616322007922, which 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 2241431531.

It is not an unprimeable number, because it can be changed into a prime (2241433531) 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, 231140 + ... + 240641.

It is an arithmetic number, because the mean of its divisors is an integer number (560477016).

Almost surely, 2^2241431531 is an apocalyptic number.

2241431531 is a deficient number, since it is larger than the sum of its proper divisors (476533).

2241431531 is an equidigital number, since it uses as much as digits as its factorization.

2241431531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476532.

The product of its digits is 2880, while the sum is 26.

The square root of 2241431531 is about 47343.7591557747. The cubic root of 2241431531 is about 1308.7051928647.

Adding to 2241431531 its reverse (1351341422), we get a palindrome (3592772953).

The spelling of 2241431531 in words is "two billion, two hundred forty-one million, four hundred thirty-one thousand, five hundred thirty-one".