33220103231213 has 2 divisors, whose sum is σ = 33220103231214. Its totient is φ = 33220103231212.

The previous prime is 33220103231191. The next prime is 33220103231243. The reversal of 33220103231213 is 31213230102233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17056792620169 + 16163310611044 = 4129987^2 + 4020362^2 .

It is a cyclic number.

It is not a de Polignac number, because 33220103231213 - 2⁶ = 33220103231149 is a prime.

It is a super-2 number, since 2×33220103231213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33220103231243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610051615606 + 16610051615607.

It is an arithmetic number, because the mean of its divisors is an integer number (16610051615607).

Almost surely, 2^{33220103231213} is an apocalyptic number.

It is an amenable number.

33220103231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220103231213 is an equidigital number, since it uses as much as digits as its factorization.

33220103231213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 33220103231213 its reverse (31213230102233), we get a palindrome (64433333333446).

The spelling of 33220103231213 in words is "thirty-three trillion, two hundred twenty billion, one hundred three million, two hundred thirty-one thousand, two hundred thirteen".