2103430451 has 32 divisors (see below), whose sum is σ = 2327947776. Its totient is φ = 1892800000.

The previous prime is 2103430429. The next prime is 2103430457. The reversal of 2103430451 is 1540343012.

It is a cyclic number.

It is not a de Polignac number, because 2103430451 - 2⁶ = 2103430387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103430457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8380076 + ... + 8380326.

It is an arithmetic number, because the mean of its divisors is an integer number (72748368).

Almost surely, 2^2103430451 is an apocalyptic number.

2103430451 is a deficient number, since it is larger than the sum of its proper divisors (224517325).

2103430451 is a wasteful number, since it uses less digits than its factorization.

2103430451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2103430451 is about 45863.1709653835. The cubic root of 2103430451 is about 1281.2760815282.

Adding to 2103430451 its reverse (1540343012), we get a palindrome (3643773463).

The spelling of 2103430451 in words is "two billion, one hundred three million, four hundred thirty thousand, four hundred fifty-one".