2131335321 has 8 divisors (see below), whose sum is σ = 2842505664. Its totient is φ = 1420527600.

The previous prime is 2131335301. The next prime is 2131335359. The reversal of 2131335321 is 1235331312.

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

It is not a de Polignac number, because 2131335321 - 2⁶ = 2131335257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131335291 and 2131335300.

It is not an unprimeable number, because it can be changed into a prime (2131335301) 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, 76630 + ... + 100671.

It is an arithmetic number, because the mean of its divisors is an integer number (355313208).

Almost surely, 2^2131335321 is an apocalyptic number.

It is an amenable number.

2131335321 is a deficient number, since it is larger than the sum of its proper divisors (711170343).

2131335321 is a wasteful number, since it uses less digits than its factorization.

2131335321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181311.

The product of its digits is 1620, while the sum is 24.

The square root of 2131335321 is about 46166.3873505389. The cubic root of 2131335321 is about 1286.9171665067.

Adding to 2131335321 its reverse (1235331312), we get a palindrome (3366666633).

The spelling of 2131335321 in words is "two billion, one hundred thirty-one million, three hundred thirty-five thousand, three hundred twenty-one".