2042044013431 has 4 divisors (see below), whose sum is σ = 2048610071664. Its totient is φ = 2035477955200.

The previous prime is 2042044013407. The next prime is 2042044013453. The reversal of 2042044013431 is 1343104402402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042044013431 - 2⁹ = 2042044012919 is a prime.

It is a super-2 number, since 2×2042044013431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042044013431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042044013131) 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, 3283028650 + ... + 3283029271.

It is an arithmetic number, because the mean of its divisors is an integer number (512152517916).

Almost surely, 2^{2042044013431} is an apocalyptic number.

2042044013431 is a deficient number, since it is larger than the sum of its proper divisors (6566058233).

2042044013431 is an equidigital number, since it uses as much as digits as its factorization.

2042044013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566058232.

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

Adding to 2042044013431 its reverse (1343104402402), we get a palindrome (3385148415833).

The spelling of 2042044013431 in words is "two trillion, forty-two billion, forty-four million, thirteen thousand, four hundred thirty-one".