2003130291 has 8 divisors (see below), whose sum is σ = 2679267024. Its totient is φ = 1331206880.

The previous prime is 2003130277. The next prime is 2003130331. The reversal of 2003130291 is 1920313002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003130291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003130091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052220 + ... + 1054121.

It is an arithmetic number, because the mean of its divisors is an integer number (334908378).

Almost surely, 2^2003130291 is an apocalyptic number.

2003130291 is a deficient number, since it is larger than the sum of its proper divisors (676136733).

2003130291 is a wasteful number, since it uses less digits than its factorization.

2003130291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106661.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2003130291 is about 44756.3435838988. The cubic root of 2003130291 is about 1260.5780271795.

Adding to 2003130291 its reverse (1920313002), we get a palindrome (3923443293).

The spelling of 2003130291 in words is "two billion, three million, one hundred thirty thousand, two hundred ninety-one".