33330140321 has 2 divisors, whose sum is σ = 33330140322. Its totient is φ = 33330140320.

The previous prime is 33330140303. The next prime is 33330140353. The reversal of 33330140321 is 12304103333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24052597921 + 9277542400 = 155089^2 + 96320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33330140321 is a prime.

It is a super-2 number, since 2×33330140321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33330140021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16665070160 + 16665070161.

It is an arithmetic number, because the mean of its divisors is an integer number (16665070161).

Almost surely, 2^33330140321 is an apocalyptic number.

It is an amenable number.

33330140321 is a deficient number, since it is larger than the sum of its proper divisors (1).

33330140321 is an equidigital number, since it uses as much as digits as its factorization.

33330140321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33330140321 its reverse (12304103333), we get a palindrome (45634243654).

The spelling of 33330140321 in words is "thirty-three billion, three hundred thirty million, one hundred forty thousand, three hundred twenty-one".