33221130131 has 4 divisors (see below), whose sum is σ = 37967005872. Its totient is φ = 28475254392.

The previous prime is 33221130083. The next prime is 33221130167. The reversal of 33221130131 is 13103112233.

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 33221130131 - 2¹⁸ = 33220867987 is a prime.

It is a super-2 number, since 2×33221130131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33221130331) 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, 2372937860 + ... + 2372937873.

It is an arithmetic number, because the mean of its divisors is an integer number (9491751468).

Almost surely, 2^33221130131 is an apocalyptic number.

33221130131 is a deficient number, since it is larger than the sum of its proper divisors (4745875741).

33221130131 is an equidigital number, since it uses as much as digits as its factorization.

33221130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745875740.

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

Adding to 33221130131 its reverse (13103112233), we get a palindrome (46324242364).

The spelling of 33221130131 in words is "thirty-three billion, two hundred twenty-one million, one hundred thirty thousand, one hundred thirty-one".