33211230113 has 4 divisors (see below), whose sum is σ = 33217967508. Its totient is φ = 33204492720.

The previous prime is 33211230103. The next prime is 33211230133. The reversal of 33211230113 is 31103211233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4213567744 + 28997662369 = 64912^2 + 170287^2 .

It is a cyclic number.

It is not a de Polignac number, because 33211230113 - 2⁴ = 33211230097 is a prime.

It is a super-2 number, since 2×33211230113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33211230103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361298 + ... + 3371163.

It is an arithmetic number, because the mean of its divisors is an integer number (8304491877).

Almost surely, 2^33211230113 is an apocalyptic number.

It is an amenable number.

33211230113 is a deficient number, since it is larger than the sum of its proper divisors (6737395).

33211230113 is an equidigital number, since it uses as much as digits as its factorization.

33211230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737394.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33211230113 its reverse (31103211233), we get a palindrome (64314441346).

The spelling of 33211230113 in words is "thirty-three billion, two hundred eleven million, two hundred thirty thousand, one hundred thirteen".