33221010131 has 2 divisors, whose sum is σ = 33221010132. Its totient is φ = 33221010130.

The previous prime is 33221010127. The next prime is 33221010149. The reversal of 33221010131 is 13101012233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33221010131 - 2² = 33221010127 is a prime.

It is a super-2 number, since 2×33221010131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33221012131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610505065 + 16610505066.

It is an arithmetic number, because the mean of its divisors is an integer number (16610505066).

Almost surely, 2^33221010131 is an apocalyptic number.

33221010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

33221010131 is an equidigital number, since it uses as much as digits as its factorization.

33221010131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 33221010131 its reverse (13101012233), we get a palindrome (46322022364).

The spelling of 33221010131 in words is "thirty-three billion, two hundred twenty-one million, ten thousand, one hundred thirty-one".