2440231231 has 4 divisors (see below), whose sum is σ = 2465388352. Its totient is φ = 2415074112.

The previous prime is 2440231229. The next prime is 2440231249. The reversal of 2440231231 is 1321320442.

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 2440231231 - 2¹ = 2440231229 is a prime.

It is a super-2 number, since 2×2440231231² = 11909456921495550722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440231531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12578415 + ... + 12578608.

It is an arithmetic number, because the mean of its divisors is an integer number (616347088).

Almost surely, 2^2440231231 is an apocalyptic number.

2440231231 is a deficient number, since it is larger than the sum of its proper divisors (25157121).

2440231231 is an equidigital number, since it uses as much as digits as its factorization.

2440231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25157120.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2440231231 is about 49398.6966528470. The cubic root of 2440231231 is about 1346.3056251265.

Adding to 2440231231 its reverse (1321320442), we get a palindrome (3761551673).

The spelling of 2440231231 in words is "two billion, four hundred forty million, two hundred thirty-one thousand, two hundred thirty-one".