33100013 has 8 divisors (see below), whose sum is σ = 34734336. Its totient is φ = 31482000.

The previous prime is 33100007. The next prime is 33100019. The reversal of 33100013 is 31000133.

It is an interprime number because it is at equal distance from previous prime (33100007) and next prime (33100019).

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 33100013 - 2⁸ = 33099757 is a prime.

It is a super-2 number, since 2×33100013² = 2191221721200338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33099967 and 33100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100019) 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, 188 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (4341792).

Almost surely, 2^33100013 is an apocalyptic number.

It is an amenable number.

33100013 is a deficient number, since it is larger than the sum of its proper divisors (1634323).

33100013 is a wasteful number, since it uses less digits than its factorization.

33100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 33100013 is about 5753.2610752511. The cubic root of 33100013 is about 321.0771416843.

Adding to 33100013 its reverse (31000133), we get a palindrome (64100146).

It can be divided in two parts, 3 and 3100013, that multiplied together give a palindrome (9300039).

The spelling of 33100013 in words is "thirty-three million, one hundred thousand, thirteen".