2003245131 has 4 divisors (see below), whose sum is σ = 2670993512. Its totient is φ = 1335496752.

The previous prime is 2003245087. The next prime is 2003245159. The reversal of 2003245131 is 1315423002.

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

It is not a de Polignac number, because 2003245131 - 2²² = 1999050827 is a prime.

It is a super-2 number, since 2×2003245131² = 8025982109750414322, 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 = 2003245098 and 2003245107.

It is not an unprimeable number, because it can be changed into a prime (2003245631) 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, 333874186 + ... + 333874191.

It is an arithmetic number, because the mean of its divisors is an integer number (667748378).

Almost surely, 2^2003245131 is an apocalyptic number.

2003245131 is a deficient number, since it is larger than the sum of its proper divisors (667748381).

2003245131 is an equidigital number, since it uses as much as digits as its factorization.

2003245131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667748380.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2003245131 is about 44757.6265121376. The cubic root of 2003245131 is about 1260.6021164786.

Adding to 2003245131 its reverse (1315423002), we get a palindrome (3318668133).

The spelling of 2003245131 in words is "two billion, three million, two hundred forty-five thousand, one hundred thirty-one".