2031044421 has 8 divisors (see below), whose sum is σ = 3094924864. Its totient is φ = 1160596800.

The previous prime is 2031044399. The next prime is 2031044423. The reversal of 2031044421 is 1244401302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2031044421 - 2¹⁹ = 2030520133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 96716401 = 2031044421 / (2 + 0 + 3 + 1 + 0 + 4 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031044423) 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, 48358180 + ... + 48358221.

It is an arithmetic number, because the mean of its divisors is an integer number (386865608).

Almost surely, 2^2031044421 is an apocalyptic number.

2031044421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2031044421 is a deficient number, since it is larger than the sum of its proper divisors (1063880443).

2031044421 is an equidigital number, since it uses as much as digits as its factorization.

2031044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96716411.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2031044421 is about 45067.1101913580. The cubic root of 2031044421 is about 1266.4065283498.

Adding to 2031044421 its reverse (1244401302), we get a palindrome (3275445723).

The spelling of 2031044421 in words is "two billion, thirty-one million, forty-four thousand, four hundred twenty-one".