33340322131 has 4 divisors (see below), whose sum is σ = 33347516832. Its totient is φ = 33333127432.

The previous prime is 33340322107. The next prime is 33340322159. The reversal of 33340322131 is 13122304333.

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 33340322131 - 2⁷ = 33340322003 is a prime.

It is a super-2 number, since 2×33340322131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33340322096 and 33340322105.

It is not an unprimeable number, because it can be changed into a prime (33340322831) 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, 3590395 + ... + 3599668.

It is an arithmetic number, because the mean of its divisors is an integer number (8336879208).

Almost surely, 2^33340322131 is an apocalyptic number.

33340322131 is a deficient number, since it is larger than the sum of its proper divisors (7194701).

33340322131 is an equidigital number, since it uses as much as digits as its factorization.

33340322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194700.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 33340322131 its reverse (13122304333), we get a palindrome (46462626464).

The spelling of 33340322131 in words is "thirty-three billion, three hundred forty million, three hundred twenty-two thousand, one hundred thirty-one".