33312213213 has 32 divisors (see below), whose sum is σ = 46325486592. Its totient is φ = 21269606400.

The previous prime is 33312213199. The next prime is 33312213223. The reversal of 33312213213 is 31231221333.

It is not a de Polignac number, because 33312213213 - 2¹⁴ = 33312196829 is a prime.

It is a super-2 number, since 2×33312213213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33312213223) 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, 3531243 + ... + 3540663.

It is an arithmetic number, because the mean of its divisors is an integer number (1447671456).

Almost surely, 2^33312213213 is an apocalyptic number.

It is an amenable number.

33312213213 is a deficient number, since it is larger than the sum of its proper divisors (13013273379).

33312213213 is a wasteful number, since it uses less digits than its factorization.

33312213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845.

The product of its digits is 1944, while the sum is 24.

Adding to 33312213213 its reverse (31231221333), we get a palindrome (64543434546).

The spelling of 33312213213 in words is "thirty-three billion, three hundred twelve million, two hundred thirteen thousand, two hundred thirteen".