2131355335 has 4 divisors (see below), whose sum is σ = 2557626408. Its totient is φ = 1705084264.

The previous prime is 2131355333. The next prime is 2131355339. The reversal of 2131355335 is 5335531312.

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 2131355335 - 2¹ = 2131355333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131355297 and 2131355306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131355333) 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 3 ways as a sum of consecutive naturals, for example, 213135529 + ... + 213135538.

It is an arithmetic number, because the mean of its divisors is an integer number (639406602).

Almost surely, 2^2131355335 is an apocalyptic number.

2131355335 is a deficient number, since it is larger than the sum of its proper divisors (426271073).

2131355335 is an equidigital number, since it uses as much as digits as its factorization.

2131355335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426271072.

The product of its digits is 20250, while the sum is 31.

The square root of 2131355335 is about 46166.6041094642. The cubic root of 2131355335 is about 1286.9211946981.

Adding to 2131355335 its reverse (5335531312), we get a palindrome (7466886647).

The spelling of 2131355335 in words is "two billion, one hundred thirty-one million, three hundred fifty-five thousand, three hundred thirty-five".