3431440021042 has 16 divisors (see below), whose sum is σ = 5796215403264. Its totient is φ = 1509431094000.

The previous prime is 3431440021033. The next prime is 3431440021081. The reversal of 3431440021042 is 2401200441343.

It is a super-3 number, since 3×3431440021042³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3431440021042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515717809 + ... + 2515719172.

It is an arithmetic number, because the mean of its divisors is an integer number (362263462704).

Almost surely, 2^{3431440021042} is an apocalyptic number.

3431440021042 is a deficient number, since it is larger than the sum of its proper divisors (2364775382222).

3431440021042 is a wasteful number, since it uses less digits than its factorization.

3431440021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031437025.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 3431440021042 its reverse (2401200441343), we get a palindrome (5832640462385).

The spelling of 3431440021042 in words is "three trillion, four hundred thirty-one billion, four hundred forty million, twenty-one thousand, forty-two".