33100323213 has 32 divisors (see below), whose sum is σ = 44783367552. Its totient is φ = 21745152000.

The previous prime is 33100323203. The next prime is 33100323227. The reversal of 33100323213 is 31232300133.

It is not a de Polignac number, because 33100323213 - 2⁴ = 33100323197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33100323213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100323203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55075113 + ... + 55075713.

It is an arithmetic number, because the mean of its divisors is an integer number (1399480236).

Almost surely, 2^33100323213 is an apocalyptic number.

It is an amenable number.

33100323213 is a deficient number, since it is larger than the sum of its proper divisors (11683044339).

33100323213 is a wasteful number, since it uses less digits than its factorization.

33100323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33100323213 its reverse (31232300133), we get a palindrome (64332623346).

The spelling of 33100323213 in words is "thirty-three billion, one hundred million, three hundred twenty-three thousand, two hundred thirteen".