33213130313231 has 16 divisors (see below), whose sum is σ = 36258399446400. Its totient is φ = 30172179928800.

The previous prime is 33213130313221. The next prime is 33213130313267. The reversal of 33213130313231 is 13231303131233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33213130313231 is a prime.

It is a super-2 number, since 2×33213130313231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33213130313194 and 33213130313203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213130313221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233872076 + ... + 234014046.

It is an arithmetic number, because the mean of its divisors is an integer number (2266149965400).

Almost surely, 2^{33213130313231} is an apocalyptic number.

33213130313231 is a deficient number, since it is larger than the sum of its proper divisors (3045269133169).

33213130313231 is a wasteful number, since it uses less digits than its factorization.

33213130313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157030.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 33213130313231 its reverse (13231303131233), we get a palindrome (46444433444464).

The spelling of 33213130313231 in words is "thirty-three trillion, two hundred thirteen billion, one hundred thirty million, three hundred thirteen thousand, two hundred thirty-one".