2403434431 has 4 divisors (see below), whose sum is σ = 2529931000. Its totient is φ = 2276937864.

The previous prime is 2403434417. The next prime is 2403434447. The reversal of 2403434431 is 1344343042.

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 2403434431 - 2⁹ = 2403433919 is a prime.

It is a super-2 number, since 2×2403434431² = 11552994128232587522, which 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 2403434431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403434401) 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, 63248256 + ... + 63248293.

It is an arithmetic number, because the mean of its divisors is an integer number (632482750).

Almost surely, 2^2403434431 is an apocalyptic number.

2403434431 is a deficient number, since it is larger than the sum of its proper divisors (126496569).

2403434431 is a wasteful number, since it uses less digits than its factorization.

2403434431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126496568.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 2403434431 is about 49024.8348390895. The cubic root of 2403434431 is about 1339.5042405689.

Adding to 2403434431 its reverse (1344343042), we get a palindrome (3747777473).

The spelling of 2403434431 in words is "two billion, four hundred three million, four hundred thirty-four thousand, four hundred thirty-one".