2131333211 has 4 divisors (see below), whose sum is σ = 2435809392. Its totient is φ = 1826857032.

The previous prime is 2131333201. The next prime is 2131333213. The reversal of 2131333211 is 1123331312.

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

It is a de Polignac number, because none of the positive numbers 2^k-2131333211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131333213) 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, 152238080 + ... + 152238093.

It is an arithmetic number, because the mean of its divisors is an integer number (608952348).

Almost surely, 2^2131333211 is an apocalyptic number.

2131333211 is a deficient number, since it is larger than the sum of its proper divisors (304476181).

2131333211 is an equidigital number, since it uses as much as digits as its factorization.

2131333211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304476180.

The product of its digits is 324, while the sum is 20.

The square root of 2131333211 is about 46166.3644984094. The cubic root of 2131333211 is about 1286.9167418283.

Adding to 2131333211 its reverse (1123331312), we get a palindrome (3254664523).

The spelling of 2131333211 in words is "two billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred eleven".