4031331403420 has 24 divisors (see below), whose sum is σ = 8465841768384. Its totient is φ = 1612523833536.

The previous prime is 4031331403327. The next prime is 4031331403427. The reversal of 4031331403420 is 243041331304.

4031331403420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031331403427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285602 + ... + 5140918.

It is an arithmetic number, because the mean of its divisors is an integer number (352743407016).

Almost surely, 2^{4031331403420} is an apocalyptic number.

It is an amenable number.

4031331403420 is an abundant number, since it is smaller than the sum of its proper divisors (4434510364964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4031331403420 is a wasteful number, since it uses less digits than its factorization.

4031331403420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090989 (or 1090987 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 4031331403420 its reverse (243041331304), we get a palindrome (4274372734724).

The spelling of 4031331403420 in words is "four trillion, thirty-one billion, three hundred thirty-one million, four hundred three thousand, four hundred twenty".