2103044021431 has 4 divisors (see below), whose sum is σ = 2103054438472. Its totient is φ = 2103033604392.

The previous prime is 2103044021383. The next prime is 2103044021471. The reversal of 2103044021431 is 1341204403012.

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 2103044021431 - 2⁹ = 2103044020919 is a prime.

It is a super-2 number, since 2×2103044021431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103044021396 and 2103044021405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103044021471) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4899585 + ... + 5311498.

It is an arithmetic number, because the mean of its divisors is an integer number (525763609618).

Almost surely, 2^{2103044021431} is an apocalyptic number.

2103044021431 is a deficient number, since it is larger than the sum of its proper divisors (10417041).

2103044021431 is a wasteful number, since it uses less digits than its factorization.

2103044021431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417040.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2103044021431 its reverse (1341204403012), we get a palindrome (3444248424443).

The spelling of 2103044021431 in words is "two trillion, one hundred three billion, forty-four million, twenty-one thousand, four hundred thirty-one".