4440431131413 has 4 divisors (see below), whose sum is σ = 5920574841888. Its totient is φ = 2960287420940.

The previous prime is 4440431131399. The next prime is 4440431131429. The reversal of 4440431131413 is 3141311340444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4440431131413 - 2¹³ = 4440431123221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440431831413) 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, 740071855233 + ... + 740071855238.

It is an arithmetic number, because the mean of its divisors is an integer number (1480143710472).

Almost surely, 2^{4440431131413} is an apocalyptic number.

It is an amenable number.

4440431131413 is a deficient number, since it is larger than the sum of its proper divisors (1480143710475).

4440431131413 is a wasteful number, since it uses less digits than its factorization.

4440431131413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480143710474.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 4440431131413 its reverse (3141311340444), we get a palindrome (7581742471857).

The spelling of 4440431131413 in words is "four trillion, four hundred forty billion, four hundred thirty-one million, one hundred thirty-one thousand, four hundred thirteen".