33100340081 has 2 divisors, whose sum is σ = 33100340082. Its totient is φ = 33100340080.

The previous prime is 33100340057. The next prime is 33100340137. The reversal of 33100340081 is 18004300133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32987640625 + 112699456 = 181625^2 + 10616^2 .

It is an emirp because it is prime and its reverse (18004300133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33100340081 is a prime.

It is a super-2 number, since 2×33100340081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33100340981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16550170040 + 16550170041.

It is an arithmetic number, because the mean of its divisors is an integer number (16550170041).

Almost surely, 2^33100340081 is an apocalyptic number.

It is an amenable number.

33100340081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33100340081 is an equidigital number, since it uses as much as digits as its factorization.

33100340081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 33100340081 in words is "thirty-three billion, one hundred million, three hundred forty thousand, eighty-one".