2131223303 has 4 divisors (see below), whose sum is σ = 2324970888. Its totient is φ = 1937475720.

The previous prime is 2131223291. The next prime is 2131223317. The reversal of 2131223303 is 3033221312.

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 2131223303 - 2⁶ = 2131223239 is a prime.

It is a super-2 number, since 2×2131223303² = 9084225534500459618, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131223363) 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, 96873776 + ... + 96873797.

It is an arithmetic number, because the mean of its divisors is an integer number (581242722).

Almost surely, 2^2131223303 is an apocalyptic number.

2131223303 is a deficient number, since it is larger than the sum of its proper divisors (193747585).

2131223303 is a wasteful number, since it uses less digits than its factorization.

2131223303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193747584.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2131223303 is about 46165.1741359220. The cubic root of 2131223303 is about 1286.8946203262.

Adding to 2131223303 its reverse (3033221312), we get a palindrome (5164444615).

The spelling of 2131223303 in words is "two billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred three".