2003213312291 has 8 divisors (see below), whose sum is σ = 2022234729840. Its totient is φ = 1984280988672.

The previous prime is 2003213312279. The next prime is 2003213312293. The reversal of 2003213312291 is 1922133123002.

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-2003213312291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003213312293) 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, 22228301 + ... + 22318238.

It is an arithmetic number, because the mean of its divisors is an integer number (252779341230).

Almost surely, 2^{2003213312291} is an apocalyptic number.

2003213312291 is a deficient number, since it is larger than the sum of its proper divisors (19021417549).

2003213312291 is a wasteful number, since it uses less digits than its factorization.

2003213312291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44546965.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 2003213312291 its reverse (1922133123002), we get a palindrome (3925346435293).

The spelling of 2003213312291 in words is "two trillion, three billion, two hundred thirteen million, three hundred twelve thousand, two hundred ninety-one".