33455212313 has 8 divisors (see below), whose sum is σ = 34097390208. Its totient is φ = 32813439984.

The previous prime is 33455212289. The next prime is 33455212321. The reversal of 33455212313 is 31321255433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33455212313 - 2⁶ = 33455212249 is a prime.

It is a super-2 number, since 2×33455212313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33455212313.

It is not an unprimeable number, because it can be changed into a prime (33455212333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67856 + ... + 267422.

It is an arithmetic number, because the mean of its divisors is an integer number (4262173776).

Almost surely, 2^33455212313 is an apocalyptic number.

It is an amenable number.

33455212313 is a deficient number, since it is larger than the sum of its proper divisors (642177895).

33455212313 is a wasteful number, since it uses less digits than its factorization.

33455212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202783.

The product of its digits is 32400, while the sum is 32.

Adding to 33455212313 its reverse (31321255433), we get a palindrome (64776467746).

The spelling of 33455212313 in words is "thirty-three billion, four hundred fifty-five million, two hundred twelve thousand, three hundred thirteen".