2003116431 has 4 divisors (see below), whose sum is σ = 2670821912. Its totient is φ = 1335410952.

The previous prime is 2003116421. The next prime is 2003116433. The reversal of 2003116431 is 1346113002.

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

It is not a de Polignac number, because 2003116431 - 2⁵ = 2003116399 is a prime.

It is a super-2 number, since 2×2003116431² = 8024950872284355522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003116398 and 2003116407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003116433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333852736 + ... + 333852741.

It is an arithmetic number, because the mean of its divisors is an integer number (667705478).

Almost surely, 2^2003116431 is an apocalyptic number.

2003116431 is a deficient number, since it is larger than the sum of its proper divisors (667705481).

2003116431 is an equidigital number, since it uses as much as digits as its factorization.

2003116431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667705480.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2003116431 is about 44756.1887452451. The cubic root of 2003116431 is about 1260.5751197880.

Adding to 2003116431 its reverse (1346113002), we get a palindrome (3349229433).

The spelling of 2003116431 in words is "two billion, three million, one hundred sixteen thousand, four hundred thirty-one".