2131123303 has 8 divisors (see below), whose sum is σ = 2246676480. Its totient is φ = 2018495640.

The previous prime is 2131123289. The next prime is 2131123307. The reversal of 2131123303 is 3033211312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131123303 - 2¹³ = 2131115111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131123307) 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, 729883 + ... + 732796.

It is an arithmetic number, because the mean of its divisors is an integer number (280834560).

Almost surely, 2^2131123303 is an apocalyptic number.

2131123303 is a deficient number, since it is larger than the sum of its proper divisors (115553177).

2131123303 is a wasteful number, since it uses less digits than its factorization.

2131123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462757.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2131123303 is about 46164.0910557113. The cubic root of 2131123303 is about 1286.8744923752.

Adding to 2131123303 its reverse (3033211312), we get a palindrome (5164334615).

The spelling of 2131123303 in words is "two billion, one hundred thirty-one million, one hundred twenty-three thousand, three hundred three".