2031442013421 has 48 divisors (see below), whose sum is σ = 3027240216000. Its totient is φ = 1311898371840.

The previous prime is 2031442013407. The next prime is 2031442013443. The reversal of 2031442013421 is 1243102441302.

2031442013421 is a `hidden beast` number, since 2 + 0 + 31 + 4 + 4 + 201 + 3 + 421 = 666.

It is not a de Polignac number, because 2031442013421 - 2¹¹ = 2031442011373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031442013521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36245806 + ... + 36301808.

It is an arithmetic number, because the mean of its divisors is an integer number (63067504500).

Almost surely, 2^{2031442013421} is an apocalyptic number.

It is an amenable number.

2031442013421 is a deficient number, since it is larger than the sum of its proper divisors (995798202579).

2031442013421 is a wasteful number, since it uses less digits than its factorization.

2031442013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56746 (or 56743 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2031442013421 its reverse (1243102441302), we get a palindrome (3274544454723).

It can be divided in two parts, 203144 and 2013421, that added together give a triangular number (2216565 = T₂₁₀₅).

The spelling of 2031442013421 in words is "two trillion, thirty-one billion, four hundred forty-two million, thirteen thousand, four hundred twenty-one".