33215314481 has 2 divisors, whose sum is σ = 33215314482. Its totient is φ = 33215314480.

The previous prime is 33215314471. The next prime is 33215314499. The reversal of 33215314481 is 18441351233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17588064400 + 15627250081 = 132620^2 + 125009^2 .

It is an emirp because it is prime and its reverse (18441351233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33215314481 - 2¹⁴ = 33215298097 is a prime.

It is a super-2 number, since 2×33215314481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33215314421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16607657240 + 16607657241.

It is an arithmetic number, because the mean of its divisors is an integer number (16607657241).

Almost surely, 2^33215314481 is an apocalyptic number.

It is an amenable number.

33215314481 is a deficient number, since it is larger than the sum of its proper divisors (1).

33215314481 is an equidigital number, since it uses as much as digits as its factorization.

33215314481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The spelling of 33215314481 in words is "thirty-three billion, two hundred fifteen million, three hundred fourteen thousand, four hundred eighty-one".