2132311821 has 8 divisors (see below), whose sum is σ = 2909200800. Its totient is φ = 1388482032.

The previous prime is 2132311793. The next prime is 2132311829. The reversal of 2132311821 is 1281132312.

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

It is not a de Polignac number, because 2132311821 - 2⁶ = 2132311757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132311791 and 2132311800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132311829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8264646 + ... + 8264903.

It is an arithmetic number, because the mean of its divisors is an integer number (363650100).

Almost surely, 2^2132311821 is an apocalyptic number.

It is an amenable number.

2132311821 is a deficient number, since it is larger than the sum of its proper divisors (776888979).

2132311821 is a wasteful number, since it uses less digits than its factorization.

2132311821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529595.

The product of its digits is 576, while the sum is 24.

The square root of 2132311821 is about 46176.9620157065. The cubic root of 2132311821 is about 1287.1136759796.

The spelling of 2132311821 in words is "two billion, one hundred thirty-two million, three hundred eleven thousand, eight hundred twenty-one".