4431231245 has 16 divisors (see below), whose sum is σ = 6082293888. Its totient is φ = 3035970240.

The previous prime is 4431231241. The next prime is 4431231247. The reversal of 4431231245 is 5421321344.

It is not a de Polignac number, because 4431231245 - 2² = 4431231241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431231241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11786 + ... + 94875.

It is an arithmetic number, because the mean of its divisors is an integer number (380143368).

Almost surely, 2^4431231245 is an apocalyptic number.

It is an amenable number.

4431231245 is a deficient number, since it is larger than the sum of its proper divisors (1651062643).

4431231245 is a wasteful number, since it uses less digits than its factorization.

4431231245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107860.

The product of its digits is 11520, while the sum is 29.

The square root of 4431231245 is about 66567.4939065607. The cubic root of 4431231245 is about 1642.5104379670.

Adding to 4431231245 its reverse (5421321344), we get a palindrome (9852552589).

Subtracting 4431231245 from its reverse (5421321344), we obtain a palindrome (990090099).

It can be divided in two parts, 44312 and 31245, that added together give a palindrome (75557).

The spelling of 4431231245 in words is "four billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred forty-five".